|Child:||Benedict Summerfield II|
|First mentioned in:||Dead Romance|
Jubilation Constantine Summerfield was the first Summerfield to leave Earth full-time. He was born in 2039.
Jubilation and his wife left Earth to set up a farm on one of the outer planets in the Solar System. They had three children. The child that was born in 2076 was named Benedict Summerfield II after Jubilation's grandfather.
Jubilation died in 2106.