Lucy Madox Brown
Lucy Madox Brown Rossetti was an artist, author and model associated with the PreRaphaelites and married to the writer and art critic William Michael Rossetti. She was the daughter of Ford Madox Brown and Elisabeth Bromley
Their first child, Olivia Frances Madox, was born in September 1875, and their son, Gabriel Arthur, was born in February 1877, followed by Helen Maria, in November 1879, and twins, Mary Elizabeth and Michael Ford, in April 1881. Michael died in infancy.
Source: Wikipedia