In 1688, he was given an additional 5,000 koku in the Ashikaga County, Shimotsuke Province, and as a result, he received a total of 10,000 koku and established the Ashikaga domain in the Shimotsuke Province including the territory of Makabe County into Ashikaga.
元禄元年（1688年）にさらに下野国足利郡5000石を加増されて都合1万石となり、先の真壁の領地もすべて足利に移されて、下野国足利藩を立藩した。