Wills (Kitab Al-Wasaya)
Dawud :: Book 17 : Hadith 2869
Narrated Umar ibn al-Khattab:
A Companion of the Prophet (peace_be_upon_him) said: A man asked him (the Prophet): Apostle of Allah, what are the grave sins? He replied: They are nine. He then mentioned the tradition to the same effect. This version adds: "And disobedience to the Muslim parents, and to violate the sacred House, your qiblah (direction of prayer), in your life and after death.