Property talk:P29

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sibling
the subject and the object have the same parents (brother, sister, etc.); use "relative" for siblings-in-law (brother-in-law, sister-in-law, etc.) and step-siblings (step-brothers, step-sisters, etc.)

Data type	Item
Domain	human (Q4)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to Gratispaideia Items with the fewest sitelinks Most linked wikis Items with the most identifier properties By value of property Most statements Fewest statements Most sitelinks Most linked wikis Total of sitelinks on items Most identifiers Fewest identifiers Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims <usage history (total)> <usage history (main statement)> <Map of people by place values:> place of birth educated at work location residence place of death place of burial <January 1st dates> <People with date of birth on January 1> <People with date of death on January 1> <People with both dates on January 1> Map Random list
Proposal discussion	Originally created without a formal discussion
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Value type “person (Q195)”: This property should use items as value that contain property “instance of (P3)”. On these, the value for instance of (P3) should be an item that uses NLA Trove ID (P279) with value person (Q195) (or a subclass thereof). Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P29#Value type, SPARQL

Type “human (Q4)”: element must contain property “instance of (P3)” with classes “human (Q4)” or their subclasses (defined using NLA Trove ID (P279)). Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P29#type, SPARQL

Item “sex or gender (P4)”: Items with this property should also have “sex or gender (P4)”. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P29#Item, search, SPARQL

Qualifiers “sourcing circumstances (P160), father (P28), mother (P42), date of birth (P26), reason for deprecated rank (P344), reason for preferred rank (P345)”: this property should be used only with the listed qualifiers. Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P29#Allowed qualifiers, SPARQL

Scope is as main value (Q793): the property must be used by specified way only Exceptions are possible as rare values may exist. List of this constraint violations: Database reports/Constraint violations/P29#scope, SPARQL