Narrated Jabir bin 'Abdullah:
"Sa'd came, so the Prophet (ﷺ) said: "This is my maternal uncle, so let a man show me his maternal uncle." (JA)
English reference (JA): Vol. 1, Book 46, Hadith 3752 (JA)
Arabic reference (JA): Book 49, Hadith 4118 (JA)