His brother Guliano had been stabbed and was probably killed by his best friend Francesco pazzi who had betrayed him in the middle of the Easter servant together with Francesco's uncle. Him, his wife and his mother had narrowly escaped into the small room behind the alter barricading the door to protect themselfs from the assassin's his neck bleeding from where the assassin's had slashed him. They cod hear trying to get in and his mother was panicking not knowing if his brother was still alive.