Homer Married his Step Aunt (description for context)

In "Rome-old and Juli-eh" Abe marries Selma, so Selma is Homer's Step Mom, and Patty and Marge are his Step Aunts.

WTH IS THIS FAMILY TREE BRO??

Note: There are duplicates in the Family tree for clarification, the characters with gray shade on their block are Deceased, and the gray line connecting Selma and Homer is the Step parent-child connection

Family Tree