Was the grandson of Agustín de Iturbide, the first emperor of independent Mexico, and his consort Empress Ana María. Salvador de Iturbide y Marzán, born into the Mexican nobility, was the son of Emperor Agustin I"s third son Prince Salvador of Mexico and Rosario de Marzánew york Guisasola.
When Maximilian and Carlota ascended the throne of Mexico in 1863 with the support of the French troops of Napoleon III, the new monarchs invited the Iturbide family back to Mexico. They formally adopted the cousins on 13 September 1865, granting them the title Prince de Iturbide with the style of "His Highness". After seeking the right to a pension as an heir to the Mexican throne, he was awarded one by the Emperor Franz Joseph, Emperor Maximilian"s brother.
Don Salvador regularly petitioned to have it increased.
He was a member of the Order of the Grand Cross of Our Lady of Guadalupe and awarded with the Personal Order of Charles (the Duke of Madrid).
