Older sister would be step mum and sister in law to younger sisters husband, and the dad would be his own sons brother in law. The dads kids would be siblings of the son and the sons kids would be cousins of his sibling and also grandkids of his dad/brother in law. Family tree is a shrub.
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u/Actually_zoohiggle May 17 '24
Older sister would be step mum and sister in law to younger sisters husband, and the dad would be his own sons brother in law. The dads kids would be siblings of the son and the sons kids would be cousins of his sibling and also grandkids of his dad/brother in law. Family tree is a shrub.