Yoritsuna, a believer of Pure Land Sect (of Buddhism), built Nenbutsu-do Halls (a hall for ascetic practice of praying to Amida Buddha in a temple) in Tokiwa, Kyoto City, Kiryu City and Utsunomiya City, which are now inherited by the Nyuozan (入逢山) Saiho-ji Temple (Ukyo Ward, Kyoto City), the Umedasan Saiho-ji Temple (Kiryu City) and the Hokyusan (芳宮山) Seigan-ji Temple, respectively.
浄土宗を信仰した頼綱は、京常盤、桐生市、宇都宮市に念仏堂を建立し、現在もそれぞれ入逢山西方寺(京都市右京区)、梅田山西方寺(桐生市)、芳宮山清巌寺に受け継がれている。