Ancestor is a type of Relative. Spouse is a type of Relative. Spouse is related to Love. you would Marry because Love. 
Carry is a synonym of Supply. Supply is a synonym of Yield. Yield is a synonym of Afford. 
Ancestor --IsA--> Relative <--IsA-- Spouse <--RelatedTo--> Love <--MotivatedByGoal-- Marry 
Carry <--Synonym--> Supply <--Synonym--> Yield <--Synonym--> Afford 