Romulus, Jr. was the son of Romulus, Sr. and Rose Fenimore of Shelburne, Massachusetts. He was born in 1787 and died in 1789. He is buried in Shelburne's Hill Cemetery. His gravestone reads:
Romulus son of Mr Romels
& Mrs Rozannah Finemer
who died Octr 26th 1789 in
ye 2nd year of his age