Extended Strong's Hebrew Lexicon (Brown-Driver-Briggs based)
Abraham
Usage: A man living at the time of the Patriarchs, first mentioned at Gen.11.26; son of: Terah (H8646); brother of: Nahor (H5152H), Haran (H2039) and Sarah (H8283); married to Sarah (H8283), Hagar (H1904) and Keturah (H6989); father of: Ishmael (H3458), Isaac (H3327), Zimran (H2175), Jokshan (H3370), Medan (H4091), Midian (H4080), Ishbak (H3435) and Shuah (H7744); also called Abram at Gen.11.26--17.5;
2x § Abraham = "father of a multitude" or "chief of multitude" friend of God and founder of Hebrew nation via God's elective covenant