5: Gemma de Curtenay -New Name (NP)

Submitter desires a feminine name.
No major changes.
Sound (JEM-ma, submitter less concerned about changes to byname) most important.

Herald of record: Alheydis von Körckhingen

Gemma Withycombe, p. 121 gives _Gemma as a given name from an Assize Roll of 1218.

de Curtenay Uckelman Sara L., "Feminine names from Devon, 1238" https://www.ellipsis.cx/~liana/names/english/devonfem1238.html lists among the feminine bynames de Curtenay_ as a locative byname meaning from Courtenay (Loiret, Isere). Uckelman obtained the list of feminine names from Summerson, Henry, ed.,. Crown pleas of the Devon Eyre of 1238_.