It was narrated from 'Abdullah bin 'Amr that the Prophet said:"The major sins are: associating others with Allah, disobeying parents, killing a souls (murder) and swearing a false oath knowingly
Hadith No. 4868
Sunan an Nasai
Gradings:
Abu Ghuddah:
Sahih
Al-Albani:
Sahih
Zubair Ali Zai:
Sahih Bukhari