And, in Shinto, a grave is called 'Okutsuki' (Shinto tomb) and many families show their family names on their gravestones as 'Okutsuki of --family.'
また神道では、墓所を「奥津城」「奥つ城」（おくつき）と呼び、墓石にも「○○家之奥津城（奥都城）」と表示している家が多い。