jan

/dʒan/

Cases

SingularPluralWhen to use it
nominativejanthe souljanlathe soulsthe plain dictionary form — the doer of the sentence
genitivejannıthe soul'sjanlanıthe souls'the owner — whose it is
accusativejannıthe soul (as the object)janlanıthe souls (as the object)a specific, known object — whom or what
dativejangato the souljanlağato the soulsdirection or recipient — to where, to whom
locativejandaat / in the souljanladaat / in the soulswhere it is; also having — mende bar, "I have it"
ablativejandanfrom the souljanladanfrom the soulswhere 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
myjanımmy souljanlarımmy souls
yourjanıngyour souljanlarıngyour souls
his / herjanıhis / her souljanlarıhis / her souls
ourjanıbızour souljanlarıbızour souls
you all'sjanığızyou all's souljanlarığızyou all's souls
theirjanlarıtheir souljanlarıtheir souls

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