family was a powerful noble family in medieval
and renaissance Rome
, supplying one pope
and many other leaders, and fighting with their rivals the Orsini
family for influence. Otto di Colonna ended the Great Schism
as Pope Martin V
According to their family tradition, the Colonna are a branch of the counts of Tusculum. The first cardinal from the family was appointed in 1192 when Giovanni Colonna was made Cardinal-Priest of Saint Prisca.
See also:Vittoria Colonna, friend of Michelangelo