körpe

/kørpe/

Cases

SingularPluralWhen to use it
nominativekörpethe lambskinkörpelethe lambskinsthe plain dictionary form — the doer of the sentence
genitivekörpenithe lambskin'skörpelenithe lambskins'the owner — whose it is
accusativekörpenithe lambskin (as the object)körpelenithe lambskins (as the object)a specific, known object — whom or what
dativekörpegeto the lambskinkörpelegeto the lambskinsdirection or recipient — to where, to whom
locativekörpedeat / in the lambskinkörpeledeat / in the lambskinswhere it is; also having — mende bar, "I have it"
ablativekörpedenfrom the lambskinkörpeledenfrom the lambskinswhere 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
mykörpemmy lambskinkörpelerimmy lambskins
yourkörpengyour lambskinkörpeleringyour lambskins
his / herkörpesihis / her lambskinkörpelerihis / her lambskins
ourkörpebizour lambskinkörpeleribizour lambskins
you all'skörpegizyou all's lambskinkörpelerigizyou all's lambskins
theirkörpeleritheir lambskinkörpeleritheir lambskins

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