I have seen Genning, Gennings but suspected Jennings before in Glos.

such as

Year 1572
Month Apr
Day 9
Surname GENNINGS
Forename(s) Margerit
Place of Residence
Age at death
Officiating Minister
Event Burial
Cause of death
Memoranda
Notes
Register Reference P275 IN 1/1
Page No 18
Parish/Chapel Ruardean