Correction
- Herb is his son. (Abraham)
=> Herb is Abraham's son.
- Mona is his wife. (Abraham)
=> Mona is Abraham's wife.
- Mona is his mother. (Homer)
=> Mona is Homer's mother.
- Patty is her twin sister. (Selma)
=> Patty is Selma's twin sister.
- Ling is her daughter. (Selma)
=> Ling is Selma's daughter.
- Clancy is her husband. (Jackie)
=> Clancy is Jackie's husband.
- Bart, Lisa and Maggie are her cousins. (Ling)
=> Bart, Lisa and Maggie are Ling's cousins.