In September 1883 he married Ellen Wordsworth Crofts ( 1856 - 1903 ) .
They had a daughter Frances Crofts Darwin ( 1886 -- 1960 ) , a poet who married the poet Francis Cornford and became known under her married name .
In September 1883 he married Ellen Wordsworth Crofts ( 1856 - 1903 ) and they had a daughter Frances Crofts Darwin ( 1886 -- 1960 ) , a poet who married the poet Francis Cornford and became known under her married name .