Thereza Dillwyn Llewelyn
| Thereza Mary Dillwyn Llewelyn | |
|---|---|
| Thereza Mary Dillwyn Llewelyn photographed by her father, 
John Dillwyn Llewelyn, in the 1850s. | |
| Born | Thereza Mary Dillwyn Llewelyn 1834 | 
| Died | 21 February 1926 | 
| Spouse | Nevil Story Maskelyne | 
| Children | Mary Story Maskelyne, Thereza Story Maskelyne | 
| Parent(s) | John Dillwyn Llewelyn, Emma Thomasina Llewelyn (née Talbot) | 
Thereza Dillwyn Llewelyn (1834 – 21 February 1926) was a Welsh astronomer and pioneer in scientific photography.