Lyons, First Council of

Lyons, First Council of

(lyôN`), 1245, 13th ecumenical council of the Roman Catholic Church, convened at Lyons, France, by Pope Innocent IVInnocent IV,
d. 1254, pope (1243–54), a Genoese named Sinibaldo Fieschi, a distinguished jurist who studied and later taught law at the Univ. of Bologna; successor of Celestine IV. He was of a noble family.
..... Click the link for more information.
 to deal with his struggle with Holy Roman Emperor Frederick IIFrederick II,
1194–1250, Holy Roman emperor (1220–50) and German king (1212–20), king of Sicily (1197–1250), and king of Jerusalem (1229–50), son of Holy Roman Emperor Henry VI and of Constance, heiress of Sicily.
..... Click the link for more information.
. In spite of the defense of Frederick by his ambassador, he was declared deposed by the council. The action was without effect.
Mentioned in ?