FAMILY TREE PROLOG TASK

Hi, i just need one simple task in Prlog. Family tree from my grandfather to me, about 15 people. In program must be: 1. Relations between mother and father define explicitly 2. Based on the relationship between mother and father, the relation between parent and descendant 3. Define relationships between brother, grandmother, aunt, uncle (father brother) and uncle (mother brother) 4. I will give you in Croatian language name for mother, father, grandfather and etc. and that name has to be in program.