  125px|thumb|right|coat of arms of the dukes of savoy after emmanuel philibert emmanuel philibert (in italian emanuele filiberto; known as "testa di ferro", in english "ironhead", because of his military career; 8 july 1528 â 30 august 1580) was duke of savoy from 1553 to 1580. born in chambÃ©ry, emmanuel philibert was the only child of charles iii, duke of savoy, and beatrice of portugal to reach adulthood. his mother was sister-in-law to charles v, holy roman emperor, and the future duke served in charles's army during the war against francis i of france, distinguishing himself by capturing hesdin in july 1553. a month later, he became duke of savoy on the death of his father, but this was a nearly empty honour, as the vast majority of his hereditary lands had been occupied and administered by the french since 1536. instead, he continued to serve the habsburgs in hopes of recovering his lands, and served his cousin philip ii of spain as governor of the netherlands from 1555 to 1559. in this capacity he personally led the spanish invasion of northern france and won a brilliant victory at saint-quentin on 10 august 1557. he was also a suitor to lady elizabeth tudor, daughter of henry viii of england. with the peace of cateau cambrÃ©sis between france and spain signed in 1559, the duchy was restored to emmanuel philibert and he married his first cousin once removed, margaret of france, duchess of berry, the sister of king henry ii of france.henry kamen: philip of spain. yale university press. 1998. isbn 978-0-300-07800-8. pp. 73&ndash;74 their only child was charles emmanuel i of savoy. following the death of his uncle, henry i of portugal, on 31 january 1580, emmanuel philibert fought to impose his rights as a claimant to the portuguese throne. 
1528_births 1580_deaths Claimant_Kings_of_Jerusalem Dukes_of_Savoy Governors_of_the_Habsburg_Netherlands Grand_Masters_of_the_Order_of_Saints_Maurice_and_Lazarus Grand_Masters_of_the_Order_of_the_Most_Holy_Annunciation House_of_Valois Knights_of_the_Garter Knights_of_the_Golden_Fleece Military_leaders_of_the_Italian_Wars People_from_ChambA(c)ry People_from_Savoy People_from_Turin Princes_of_Savoy Spanish_generals