Junius met Marie in August 1814 while boarding at her mother's home in Brussels. She followed him to London where they married on 17 May 1815, soon after his 19th birthday. Their first child, Amelia, was born 5 October of the same year, but died in infancy. The only child to survive infancy, Richard Junius Booth, was born 21 January 1819. In 1821, Booth ran off to the United States with Mary Ann Holmes, a flower girl, abandoning his wife and their young son.
Junius met Marie in August 1814 while boarding at her mother's home in Brussels. She followed him to London where they married on 17 May 1815, soon after his 19th birthday. Their first child, Amelia, was born 5 October of the same year, but died in infancy. The only child to survive infancy, Richard Junius Booth, was born 21 January 1819. In 1821, Booth ran off to the United States with Mary Ann Holmes, a flower girl, abandoning his wife and their young son.