Counterpart is a type of Equivalent. Equivalent is related to Tea. Tea is a type of Reception. Wake is a type of Reception. 
Survivor is related to Widow. Widow is related to Married. Married is related to Father. 
Counterpart --IsA--> Equivalent <--RelatedTo--> Tea --IsA--> Reception <--IsA-- Wake 
Survivor <--RelatedTo--> Widow <--RelatedTo--> Married <--RelatedTo--> Father 