Does inbreeding in families cause hemophilia to develop?

Not usually. Despite emphasis on hemophilia and royal families, rasputin's influence depended on common relatives among english/russian royalty. The well-known hemophilias are x-linked, passed through normal women with 2 xs to men with one. Inbreeding increases chances for matching up of rare, autosomal recessive mutations in spouses (e.g., cystic fibrosis, tay-sach's diseases).