Erasmus Darwin IV

Erasmus Darwin MA (7 December 1881 – 24 April 1915), grandson of the naturalist Charles Darwin, was an English businessman and soldier, killed in the First World War.

Darwin was born in The Orchard, Cambridge, the son of Horace Darwin and his wife Ida (née Farrer), daughter of Thomas Farrer, 1st Baron Farrer. Erasmus was Charles and Emma Darwin's second grandson after the birth of Bernard Darwin 5 years earlier. Charles wrote to Horace to congratulate them on the birth. However, Charles was unable to travel from his home at Down House in Kent to Cambridge to see his newborn grandson due to his ill health - his heart was failing and would eventually result in his death in April 1882. Darwin was named after his great uncle Erasmus Alvey Darwin who died 3 months before his birth, and after his great-grandfather Erasmus Darwin.

Darwin had two younger sisters; Ruth (1883-1972) and Nora (1885-1989), later Lady Barlow.

He was brought up at Cambridge and at Abinger Hall in Surrey, the seat of his maternal grandfather. He is mentioned several times in his cousin Gwen Raverat's childhood memoir Period Piece. His family at Cambridge also included the uncles William Erasmus Darwin (Uncle William), Francis Darwin (Uncle Frank), George Darwin (Uncle George), Leonard Darwin (Uncle Lenny), and aunts Henrietta Litchfield (Aunt Etty) and Elizabeth Darwin (Aunt Bessy). His paternal grandmother, Emma Darwin ("grandmama"), resided in part at Down House and in part at Cambridge until her death in 1896.

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