Thereza Dillwyn Llewelyn Welsh photographer and astronomer (1834-1926) (1834–1926) Parents Emma Thomasina Llewelyn John Dillwyn Llewelyn Children Mary Lucy Story-Maskelyne Thereza Rucker Siblings Sir John Dillwyn-Llewelyn, 1st Baronet Ellinor Amy Dillwyn-Llewelyn Lucy Catharine Dillwyn-Llewelyn Emma Charlotte Dillwyn-Llewelyn Partners Nevil Story Maskelyne
