hiː ɪz ɹᵻpˈoːɹɾᵻd tə hɐvbɪn ðə fˈɪfθ ɪnðə lˈaɪn ʌv dᵻsˈɛnt fɹʌm ˈɑːnən bˈɛn dˈeɪvɪd, ðə fˈaʊndɚɹ ʌv kˈæɹeɪˌɪzəm hiː wʌzðə sˈʌn ʌv bˈoʊz bˈɛn dʒˈɛhəʃˌæfæt, ðə sˈʌn ʌv dʒˈɛhəʃˌæfæt bˈɛn sˈɔːl, ðə sˈʌn ʌv sˈɔːl bˈɛn ˈɑːnən, ðə sˈʌn ʌv ˈɑːnən bˈɛn dˈeɪvɪd.
He is reported to have been the fifth in the line of descent from Anan ben David, the founder of Karaism (he was the son of Boaz ben Jehoshaphat, the son of Jehoshaphat ben Saul, the son of Saul ben Anan, the son of Anan ben David.)