How Can I Edit My family Tree

BarryKlarnett

There is a big mistake on my family tree. It says Isaac Klarnett was my father. He was, in fact, my paternal grandfather.

My father was his son Mark Klarnett.

Barry Klarnett

Chas Howell

https://www.familysearch.org/en/help/helpcenter/article/how-do-i-correct-parent-child-relationships-in-family-tree