|Jonah Summerfield III|
|Grandparents:||Marshal Summerfield VI|
|Father:||Dylan Summerfield II|
|Child:||Isaac Summerfield II|
|First mentioned in:||Dead Romance|
He was conceived in the mid-25th century by Dylan Summerfield II and a woman who - according to late 26th century records - may not have been human. In 2455, it was discovered that Dylan was sleeping with non-humans and Jonah was separated from his father.
When he grew up, Jonah joined Spacefleet. He became an officer and gained numerous medals during his service.