No.
He had 2000 sobilings
Yes, . A pregnancy from Sir Arthur of Camelot's father (remember Morganna and Arthur are half siblings).
He has three younger siblings - brother John Arthur and twin sisters Niall and Denise.
Arthur Tudor Margaret Tudor Mary Rose Tudor
She had two older half-brothers from her father's first marriage - Simpson (an engineer) and James. She had two full siblings, both younger than she - Mildred and Phillips Brooks (she named her baby brother after Phillips Brooks the famous Boston clergyman).
Grace Abbott had three other siblings. Her brothers, Othman Abbott Jr. and Arthur Griffin were attorney's. Her sister Edith was a social activist.
Yes, he had a brother called Arthur who was married to Catherine of Aragon before Henry was. Although Arthur died at a young age.
Arthur was his long lost brother, and betty was his incest sister
She had 4 siblings total. Mildred and Phillips Brooks Keller and two half-brothers James and Simpson. Jame and Simpson were from a prior marriage of Arthur Keller.
His oldest sister , Jane, died before he did. She died at age 18.
Nancy has a younger sister Stephanie and an older sister Alison and two younger brothers Arthur and Matthew