I'm one of the people who consider
Gretchen ugly, old lady-ish, and completely unappealing, and I definitely consider myself a
Gretchen hater.
I'd go with
Gretchen Amabel, sister to
Ludo and
Inge.
masculine list:
https://www.behindthename.com/pnl/191050/124079feminine list:
https://www.behindthename.com/pnl/191050/124080