A.J. Jacobs is John Wayne's 40th cousin 20 times removed.
John Wayne
→ Clyde Leonard Morrison
his father → Weltha Chase Parsons
his mother → Abigail L Parsons
her mother → Murray Buck
her father → William Buck
his father → Elizabeth Buck
his mother → Samuel Waters
her father → Richard Waters
his father → Sarah Waters
his mother → Margaret Tompkins
her mother → Mary Goodman
her mother → Anthony Henry Pye
her father → Alexander Pye
his father → John Pye
his father → John Pye
his father → John Tregos Pye
his father → Elizabeth Pye
his mother → Sir John de Scudamore, Knight
her father → Alice Scudamore
his mother → Walter Vaughn
her father → Roger Vaughn
his father → Ieuan ap Hywel
his father → Hywel Ap Seisyll
his father → Lleici verch Gruffydd
his mother → Gruffudd ap Ifor Bach
her father → Ifor Bach . ap Meurig
his father → Meurig Fychan Ap Cydifor ap Cydifor
his father → Cadifor Fawr (Meurig) ap Cydrich
his father → Nest Verch Tangno
his mother → Tangno ap Cadfael
her father → Cadfael ap Lludd
his father → Lludd ap Llew
his father → Llew ap Llyminod
his father → Llyminod "Angel" ap Pasgen
his father → Pasgen ap Urien, King of Gwyr
his father → Urien ap Cynfarch, Brenin Rhegid
his father → Nyfain verch Brychan
his mother → Prawst verch Tudwal
her mother → Gratianna of Galloway
her mother → Magnus Maximus, Emperor of the Western Roman Empire
her father → Malvius
his brother → Constantius III, Roman Emperor
his son → Valentinian III, Western Roman Emperor
his son → Placidia "the Younger"
his daughter → Anicia Juliana Juliana
her daughter → Flavius Anicius Olybrius Iunior
her son → Probus of Rome
his son → Proba
his daughter → Niketas
her son → Gregoria of Carthage
his daughter → Maryanh
her daughter → Sassanid Princess Dara-Izdadwar
her daughter → Hisdai Shahrijar "Sheshna" ben Bustanai, Exilarch & Gaon of Sura
her son → Unknown bat Hisdai ben Ahunai
his daughter → Meiri "Mari" ben Hananiah haKohen al-Nahr Peḳod, Gaon of Sura
her son → Hillel "Hilai" ben "Mari", Gaon of Sura
his son → Mar Ivomai Mishael ben Hillel Kohen Zedeq, Gaon of Sura
his son → Hophni "Boaz" Kohen Ṣedeq ben Ivomai, Gaon of Sura
his son → Eleazar ibn Shmuel al-Hurga, Alluf al-Andalus & Resh Kallah
his son → Natronai Yosef "Mari" haKohen, Gaon of Sura & Jaen al-Andalus
his son → Kohen Ṣedeq II "Yakob" ben Yosef, Gaon of Sura & Pumbeditha
his son → Ḥophni Yosef ben Yakob haKohen Bar Saṭya, Av Bet Din,Gaon of Sura & Jaen al-Andalus
his son → Shmuel ben Hophni haKohen haNagid, Last Gaon of Sura
his son → ???? bat Samuel ben Hophni Nagid I
his daughter → David ben Zakkai, Exilarch
her son → Chyzkiya II Gaon ben David
his son → Yitzhak ben Chyzkia, Nasi
his son → Mar Solomon Shealtiel "Felez Ferruz" Pattish haHazak, Nasi, Vizier
his son → Bonadona bat Mar Shealtiel Ibn Lakhtush
his daughter → Reina bat Barzilai
her daughter → unknown bat Perfet Sheshet Nasi
her daughter → Abraham ben Isaac of Narbonne
her son → unknown bat Abraham ben Isaac of Narbonne
his daughter → Yitzhak (Isaac the Blind) Saggi Nehor
her son → Moshe ben Yitzhak HaLevi HaYarhi
his son → Abba Mari "Don Astruc" ben Moses Yarhi
his son → Clarice de Lunel bat Abba Mari Yarhi
his daughter → unkown de l'Estoile
her daughter → Baruch ha Nasi de l'Estoile, ha Nasi
her son → David Astruc de l'Estoile
his son → Melech Shem Tov Stern, HaKohen
his son → Nevia Ashkenazi
his daughter → Moshe Stern Halevi Ashkenazi
her son → Nissel Reisel (Rachel?) Ursula Horowitz
his daughter → Rabbi Pinchas HaLevi Horowitz
her son → Hinda Halevi Katzenellenbogen
his daughter → Telza Hersch Sofer
her daughter → Moshe "Rivkas" Beer HaGola
her son → Petakhiah Rivkas
his son → Rivka Rachel or Dvora קרמר Kremer, בת פתחיה
his daughter → Yissachar Dov Ber קרמר Kremer, מוילנא
her son → Shlomo Zalman of Vilna
his son → Rabbi Eliyahu the Gaon of Vilna
his son → Rabbi Avraham Vilner
his son → Rabbi Yaakov Moshe Landau (Vilner)
his son → Noah Yashinovker Landau
his son → Ezekiel Cass Sunstein
his son → Elias Laz Sunstein
his son → Ann Kheel
his daughter → Ellen Jacobs
her daughter → A.J. Jacobs
her son
