Rishabh Sharma One ancestor I have noticed with these ties is Sancha Blount, Lady de Ayala
Not a Stewart at ALL, but perhaps Raymond Henry (private) is thinking along these lines?
Caliph ʻUthmān Ibn ʻAffān is your first cousin 42 times removed.
You → livig(your mother) → Carrie Pearl Cashin (her mother) → Arthur Cashin (her father) → Kathryn Dexter Cashin (his mother) → Joseph Hudson Smith (her father) → Elizabeth Smith (his mother) → Samuel Smalley (her father) → Hicks Small, Sr (his father) → Isabel Small (his mother) → Dr. William Dyer (her father) → Anne Vernon (his mother) → Capt. Edward Hutchinson (her father) → Anne Hutchinson (his mother) → Rev. Francis Marbury (her father) → William Marbury, Esq. (his father) → Robert Marbury, Esq. (his father) → Anne Marbury (his mother) → Sir Thomas Blount, Kt. (her father) → Sir Thomas Blount, Kt. (his father) → Sancha Blount, Lady de Ayala (his mother) → Dª. Inés de Ayala, señora de Malpica (her mother) → Fernán Pérez de Ayala, IX señor de Ayala (her father) → Señor de Unza Pedro El Cronista López de Ayala (his father) → Sancho López de Ayala, Señor de Mena y Unza (his father) → Pedro López de Ayala (his father) → Lope Cabeza Brava Diaz de Haro II, Señor de Vizcaya (his father) → D. Diego II el Bueno López, V señor de Vizcaya (his father) → Don Lope Díaz, IV señor de Vizcaya (his father) → Diego I el Blanco López, III señor de Vizcaya (his father) → Lope Díaz Íñiguez, II señor de Vizcaya, IV Conde de Viscaya (his father) → Toda Fortúnez (his mother) → Fortún Sánchez, señor de Nájera (her father) → Sancho López (his father) → Lope Fortúnez (his father) → Oria (Aurea) Bint Ibn Musa Banu Qasi (his mother) → Lope ibn Musa بن موسى (her father) → Musa Ibn Musa lbn Qasaw, Walí de Tudela, Huesca y Zaragoza (his father) → Muza Ibn Fortún ibn Qasi, valì de Zaragoza, Arnedo y de Tudela (his father) → 'A'isha ibn Abdul Aziz (his mother) → 'Abd al-'Aziz ibn Musa al-Bekir, valí de al-Andalus (her father) → Amîna binte Marwân I bin al-Hakam (his mother) → Marwân I bin al-Hakam al-Qurayshi (her father) → al-Hakam bin Abu al-ʻAs ibn Abi al-'As (his father) → Affan (his brother) → Caliph ʻUthmān Ibn ʻAffān (his son)