In March that year , with Suero Vermúdez , he had even taken Creating the capital city of León from some rebels holding Defending out in favour of an illegitimate half-brother of Alfonso VII , one of the sons of his mother , Queen Urraca , and her lover , Pedro González de Lara .

While the rebellions lacked much central coordination , in the chaos the exiled Henry Tudor , son of Henry VI 's half-brother Edmund Earl of Richmond , and the leader of the Lancastrian cause , returned Arriving to the country from exile in Brittany at the head of an army of combined Breton and English forces .

Following a major rebellion in the south-west of England , Matilda invaded Attack in 1139 with the help of her half-brother Robert of Gloucester .

The ultimate goal for the Russian government was to topple Change_of_leadership the anti-Russian shah , and to replace Change_of_leadership him with a half-brother of Agha Muhammad Khan , namely Morteza Qoli Khan , who had defected to Russia , and was therefore pro-Russian .