tüngüç

/tyŋytʃ/

Cases

SingularPluralWhen to use it
nominativetüngüçthe firstborntüngüçlethe firstbornsthe plain dictionary form — the doer of the sentence
genitivetüngüçnüthe firstborn'stüngüçlenithe firstborns'the owner — whose it is
accusativetüngüçnüthe firstborn (as the object)tüngüçlenithe firstborns (as the object)a specific, known object — whom or what
dativetüngüçgeto the firstborntüngüçlegeto the firstbornsdirection or recipient — to where, to whom
locativetüngüçdeat / in the firstborntüngüçledeat / in the firstbornswhere it is; also having — mende bar, "I have it"
ablativetüngüçdenfrom the firstborntüngüçledenfrom the firstbornswhere 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
mytüngüçümmy firstborntüngüçlerimmy firstborns
yourtüngüçüngyour firstborntüngüçleringyour firstborns
his / hertüngüçühis / her firstborntüngüçlerihis / her firstborns
ourtüngüçübüzour firstborntüngüçleribizour firstborns
you all'stüngüçügüzyou all's firstborntüngüçlerigizyou all's firstborns
theirtüngüçleritheir firstborntüngüçleritheir firstborns

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