Uchtred or Uhtred, called the Bold, (d. 1016) was the ealdorman of all Northumbria from 1006 to 1016, when he was assassinated. He was the son of Waltheof I, ealdorman of Bamburgh, whose ancient family had ruled from the castle of Bamburgh on the Northumbrian coast.

Choose your answer: based on the paragraph above can we conclude that "The Bold had other siblings."?

pick from the following.
[I] Yes;
[II] It's impossible to say;
[III] No;
I think the answer is
[II]