şef

/ʃef/

Cases

SingularPluralWhen to use it
nominativeşefthe patron organizationşeflethe patron organizationsthe plain dictionary form — the doer of the sentence
genitiveşefnithe patron organization'sşeflenithe patron organizations'the owner — whose it is
accusativeşefnithe patron organization (as the object)şeflenithe patron organizations (as the object)a specific, known object — whom or what
dativeşefgeto the patron organizationşeflegeto the patron organizationsdirection or recipient — to where, to whom
locativeşefdeat / in the patron organizationşefledeat / in the patron organizationswhere it is; also having — mende bar, "I have it"
ablativeşefdenfrom the patron organizationşefledenfrom the patron organizationswhere 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
myşefimmy patron organizationşeflerimmy patron organizations
yourşefingyour patron organizationşefleringyour patron organizations
his / herşefihis / her patron organizationşeflerihis / her patron organizations
ourşefibizour patron organizationşefleribizour patron organizations
you all'sşefigizyou all's patron organizationşeflerigizyou all's patron organizations
theirşefleritheir patron organizationşefleritheir patron organizations

The overlap in the last rows is real, not a mistake: şefleri can mean "his / her patron organizations", "their patron organization", or "their patron organizations" — context decides.