子孫
The descendants preserve it.
子孫が保存します
The descendants preserve the old mansion.
子孫が古い屋敷を保存します
The descendants preserve the old mansion in the village.
子孫が村で古い屋敷を保存します
The descendants preserve the old mansion in the village for many years.
子孫が長年、村で古い屋敷を保存します
The descendants preserve the old mansion in the village for many years with the residents.
子孫が住民たちと長年、村で古い屋敷を保存します