oruslu

/ oruslu /

Cases

SingularPluralWhen to use it
nominative oruslu the Russian oruslula the Russians the plain dictionary form — the doer of the sentence
genitive oruslunu the Russian's oruslulanı the Russians' the owner — whose it is
accusative oruslunu the Russian (as the object) oruslulanı the Russians (as the object) a specific, known object — whom or what
dative orusluğa to the Russian oruslulağa to the Russians direction or recipient — to where, to whom
locative orusluda at / in the Russian oruslulada at / in the Russians where it is; also having — mende bar, "I have it"
ablative orusludan from the Russian orusluladan from the Russians 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 oruslum my Russian oruslularım my Russians
your orusluŋ your Russian oruslularıŋ your Russians
his / her oruslusu his / her Russian orusluları his / her Russians
our oruslubuz our Russian oruslularıbız our Russians
you all's orusluğuz you all's Russian oruslularığız you all's Russians
their orusluları their Russian orusluları their Russians

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