Hisham II ibn al-Hakam califa de Córdoba is your 29th great grandfather's wife's third cousin once removed.
You → Robert Cecil Whiting (your father) → Lieut. William Henry Whiting (his father) → Julia Elizabeth Whiting (his mother) → Thomas Frederick Pither (her father) → James Pither (his father) → Thomas Pither (his father) → Sarah (Sara) Pither (his mother) → Sarah Brooks (her mother) → William Aldridge (her father) → William Aldridge (his father) → Dorothy Scrivener (his mother) → Elizabeth Walsingham (her mother) → Guildford Walsingham, Esq. (her father) → Dorothie Walsingham (Guilford) (his mother) → Sir John Guildford, MP (her father) → Elizabeth Guildford (his mother) → Lady Isabel Mortimer (her mother) → John Howard, 1st Duke of Norfolk (her father) → Lady Margaret de Mowbray (his mother) → Elizabeth FitzAlan, Duchess of Norfolk (her mother) → Elizabeth de Bohun, Countess of Arundel (her mother) → William de Bohun, 1st Earl of Northampton (her father) → Elizabeth of Rhuddlan, Countess of Hereford (his mother) → Eleanor of Castile, Queen consort of England (her mother) → Saint Ferdinand III, king of Castile & León (her father) → Alfonso IX, king of Leon and Galicia (his father) → Urraca de Portugal, reina consorte de León (his mother) → Afonso I, "the Conqueror", king of Portugal (her father) → Henrique de Borgonha, conde de Portugal (his father) → Sibylle de Barcelone, duchesse consort de Bourgogne (his mother) → Berenguer Ramon I el Corbat, XVII comte de Barcelona (her father) → Sança de Castella, comtessa consort de Barcelona (his wife) → Sancho I el de los Buenos Fueros, conde de Castilla (her father) → García I 'el de las Manos Blancas' Fernández, conde de Castilla (his father) → Sancha Sánchez de Navarra, reina consorte de León (his mother) → Toda Aznárez de Larraún, Reina de Navarra (her mother) → Onneca or Íñiga Fortúnez, Princess of Pamplona (her mother) → Prince Muhammad bin ibn 'Abd-allâh, II (her son) → Caliph 'Abd ar-Rahmân III al-Nasir bin ibn Muhammad, emir of Córdoba (his son) → al-Hakam II, Caliph of Córdoba (his son) → Hisham II ibn al-Hakam califa de Córdoba (his son)
