Morishige was granted Kakunodate Castle in Dewa and 16 thousand koku as a retainer of the Satake clan; though, after his death, his sons died one after another and the last head of the clan Sentsurumaru ASHINA died in an accident at the age of three, who was the last of the line, leaving the Ashina clan in ruin.
次いで佐竹家臣として出羽角館城に1万6000石を与えられたものの、盛重の死後、息子が相次いで病死、最後の当主蘆名千鶴丸も3歳で事故死したために家系は断絶して蘆名氏は名実ともに滅亡した。