Dom Martinho de Ataíde, 2nd Count of Atouguia, was a 15th-century Portuguese nobleman and diplomat. In 1464, he was granted a partial lordship of the Canary Islands, by donation from King Henry IV of
Coat of Arms of the Ataíde family
The Castle of Monforte, donated by King Afonso V to Martinho de Ataíde in 1452