Jacob (Jäckhele) ben Naphtali, Meyer is mentioned 16 times between 1686 and 1723. His designation in the Stühlingen family tree is 'M2.1'. His father was Naphtali (Hirtzel), Meyer.
Jäckhle was under Protection in Eberfingen from 1700 to 1717. He was the son of Naphtali (Hürztlin) Meyer [R4474; 09.29.1703]. His occupation is not recorded. .