baba

/ baba /

Cases

SingularPluralWhen to use it
nominative baba the ancestor babala the ancestors the plain dictionary form — the doer of the sentence
genitive babanı the ancestor's babalanı the ancestors' the owner — whose it is
accusative babanı the ancestor (as the object) babalanı the ancestors (as the object) a specific, known object — whom or what
dative babağa to the ancestor babalağa to the ancestors direction or recipient — to where, to whom
locative babada at / in the ancestor babalada at / in the ancestors where it is; also having — mende bar, "I have it"
ablative babadan from the ancestor babaladan from the ancestors 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
my babam my ancestor babalarım my ancestors
your babaŋ your ancestor babalarıŋ your ancestors
his / her babası his / her ancestor babaları his / her ancestors
our bababız our ancestor babalarıbız our ancestors
you all's babağız you all's ancestor babalarığız you all's ancestors
their babaları their ancestor babaları their ancestors

The overlap in the last rows is real, not a mistake: babaları can mean "his / her ancestors", "their ancestor", or "their ancestors" — context decides.