Alexander Stewart Herschel South African born British astronomer (1836–1907) (1836–1907) Parents Lady Margaret Brodie Stewart John Frederick William Herschel Children Siblings John Herschel Matilda Rose Herschel Julia Mary Herschel Maria Sophie Herschel Isabella Herschel Amelia Herschel Caroline Emilia Mary Herschel Sir William Herschel, 2nd Baronet Margaret Louisa Marshall Francisca Herschel Constance Anne Herschel