tuqum

/tuqum/

Cases

SingularPluralWhen to use it
nominativetuqumthe family nametuqumlathe family namesthe plain dictionary form — the doer of the sentence
genitivetuqumnuthe family name'stuqumlanıthe family names'the owner — whose it is
accusativetuqumnuthe family name (as the object)tuqumlanıthe family names (as the object)a specific, known object — whom or what
dativetuqumğato the family nametuqumlağato the family namesdirection or recipient — to where, to whom
locativetuqumdaat / in the family nametuqumladaat / in the family nameswhere it is; also having — mende bar, "I have it"
ablativetuqumdanfrom the family nametuqumladanfrom the family nameswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
mytuqumummy family nametuqumlarımmy family names
yourtuqumungyour family nametuqumlarıngyour family names
his / hertuqumuhis / her family nametuqumlarıhis / her family names
ourtuqumubuzour family nametuqumlarıbızour family names
you all'stuqumuğuzyou all's family nametuqumlarığızyou all's family names
theirtuqumlarıtheir family nametuqumlarıtheir family names

The overlap in the last rows is real, not a mistake: tuqumları can mean "his / her family names", "their family name", or "their family names" — context decides.