When obito met madara he said "you can't be my ancestor madara" so he may be also considering since madara chose him but sasukes dad was head of the uchiha too so I don't know I'd say both considering Madara is 100 years old
madara was a gay and had a crush on hashi... and hashi killed him when madara confessed his love in front of mito.. and after the fight mito herself killed hashi fr having sexual relationship wid madara. well that explains why hashi died young.. :XD: