Wikidata:WikiProject Genealogy

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The WikiProject Genealogy works on improving information about family trees on Wikidata.

  • Directly connected
  • Incorrectly connected

FAQ for new users[edit]



Family relationship[edit]

WikiProject Parenthood maintains a list of family relationship properties.

Identifiers for databases[edit]

Records in such databases are usually linked to each other.

% linked
Rodovid ID (P1185) 16211 Rodovid12512671.3 % 12.85 % 8601 person ID (P1819) 208393 Genealogics72564228.72 % 7.45 % 53 I00000001 profile ID (P2600) 328010 geni.com1626067930.2 % 1669.29 % 3066 6000000002457013227
FamilySearch person ID (P2889) 14114 FamilySearch Family Tree12100000000 % 12421.59 % LZ62-TSV
WikiTree person ID (P2949) 253424 WikiTree300568600.84 % 308.56 % Carolingian-77
Kindred Britain ID (P3051) 29946 Kindred Britain29937100.03 % 0.31 % 234 I2491
Gedbas genealogy person ID (P4108) 127 Gedbas217394200 % 223.17 % 1181500410
JewAge person ID (P4116) 26 JewAge.org2895970.01 % 2.97 %
WeRelate person ID (P4159) 28677 WeRelate29000000.99 % 29.77 % Charlemagne_(1)
Familypedia person ID (P4193) 576 Familypedia775220.74 % 0.8 % Charlemagne_(747-814)
Norwegian historical register of persons ID (P4574) 7499 historical register of persons25395940.3 % 26.07 %
Merkelstiftung person ID (P4620) 582 Merkelstiftung geneological database215492.7 % 0.22 % 905
The Peerage person ID (P4638) 719607 The Peerage72250699.6 % 7.42 % 695 p10107.htm#i101064
Roglo person ID (P7929) 24858 Roglo79485740.31 % 81.6 % p=charles;n=de+herstal
DAR ancestor ID (P7969) 64 Daughters of the American Revolution genealogy database
AncientFaces person ID (P7977) 35 AncientFaces1170000000 % 1201.1 % 1306940
GeneaStar person ID (P8094) 13149 GeneaStar12949101.54 % 0.13 % 3634
SAR ancestor ID (P8143) 2316 Sons of the American Revolution patriot database profile ID (P8172) 43076 Sejm-Wielki.pl10000004.31 % 10.27 % dw.7689
Political Graveyard politician ID (P8462) 18270 The Political Graveyard3024776.04 % 3.11 % 4491
Data Collection of the Hungarian Peerage ID (P9129) 2034 Data Collection of the Hungarian Peerage309506.57 % 0.32 %

See also Wikidata:WikiProject Genealogy/Notables for further examples of these properties.

Identifier coverage for related people[edit]

Identifier on item Property on item with value Values with id Values without id %without ref person ID (P1819) spouse (P26) 39090 23507 37.6 w wo symmetric profile ID (P2600) spouse (P26) 28690 50565 63.8 w wo symmetric
FamilySearch person ID (P2889) spouse (P26) 2958 2850 49.1 w wo symmetric
WikiTree person ID (P2949) spouse (P26) 105686 27835 20.8 w wo symmetric
The Peerage person ID (P4638) spouse (P26) 420003 3881 0.9 w wo symmetric
Roglo person ID (P7929) spouse (P26) 7652 4637 37.7 w wo symmetric profile ID (P8172) spouse (P26) 9693 2646 21.4 w wo symmetric
WikiTree person ID (P2949) father (P22) 72067 17075 19.2 w wo person ID (P1819) father (P22) 55415 12651 18.6 w wo
WikiTree person ID (P2949) mother (P25) 50415 15257 23.2 w wo person ID (P1819) mother (P25) 44888 13634 23.3 w wo
WikiTree person ID (P2949) child (P40) 127283 108797 46.1 w wo

Birth, death, burial[edit]

These databases hold primary information about birth, death, burial, and do not mainly provide family relationship. Sometimes relative information may be found in unlinked texts.

% linked
Find a Grave memorial ID (P535) 120055 Find a Grave2100000000.06 % 2155.81 % 865 6623
CWGC person ID (P1908) 3138 Commonwealth War Graves Commission database
Dutch Cemetery in Chinsurah person ID (P4458) 162 The Dutch Cemetery in Chinsurah 649
Scottish Cemetery Kolkata person ID (P4512) 2 The Scottish Cemetery in Bengal
Czech War Graves Register (P7949) 423 Portal of the central register of war graves3244390.13 % 3.33 %

Identifiers for cemeteries[edit]

% linked
CWGC burial ground ID (P1920) 4925 Commonwealth War Graves Commission database
Find A Grave cemetery ID (P2025) 11542 Find a Grave
BillionGraves cemetery ID (P4352) 3632 BillionGraves1250000000 % linked from Wikidata 118573 % (compared to cemeteries at Wikidata)
Volksbund ID (P6244) 442 German War Graves Commission
Foreign war churchyards in Norway ID (P8387) 41


[+] Add yourself to the list

The participants listed below can be notified using the following template in discussions:

{{Ping project|Genealogy}}



Extracting & Display of Genealogy Relationships[edit]

Information about genealogy relationships being stored in Wikidata can be extracted and displayed in various ways:

  1. using RDF query language SPARQL commands
  2. using templates within Wikipedia articles and tools via a webbrowser using readymade queries

Examples of SPARQL Queries[edit]

  (?propertyLabel AS ?edgeLabel)
  wd:Q179577 (wdt:P22|wdt:P25)* ?item.

  {?item p:P22 [ps:P22 ?linkTo; ?ps []].}
  {?item p:P25 [ps:P25 ?linkTo; ?ps []].}

  ?property wikibase:statementProperty ?ps.

  SERVICE wikibase:label {
    bd:serviceParam wikibase:language "en".
    ?item rdfs:label ?itemLabel.
    ?linkTo rdfs:label ?linkToLabel.
    ?property rdfs:label ?propertyLabel.
Try it!

Examples of Wikipedia Templates[edit]

Examples of Tools[edit]

  • EntiTree navigable Family Tree (D3 inspired) using ReactJS
  • GeneaWiki is a simple external graph viewer showing genealogy information in WikiData.
  • Ancestor viewer a viewer tool that shows also birth dates and images of the persons (if available), limited to the display of up to four generations, just parent/kip display, no display of siblings
  • Relator a viewer tool that shows also siblings and spouses, limited to the display of up to three generations
  • Gravemap tool displaying graves with coordinates in Wikidata and if a grave has a picture se
  • Wikimedia Alignment Project - an active project on WeRelate. Over 31,500 WeRelate Person pages are tagged with their corresponding Wikidata ID. Seeks to improve both the content of WeRelate AND Wikidata. About 9,000 new Wikidata genealogy claims have been created since May 2017 - on the basis of the WeRelate tree. The python script which performs the WeRelate/Wikidata comparison is available from github.

Stated in[edit]

Types of references[edit]

Reference lists[edit]

Maintenance reports / error tracking[edit]

The following errors need to be corrected:


External links[edit]

  1. 1.0 1.1 As of 20220514183744, Wikidata has 9741101 items about humans.