After he refused to convert to Christianity , Baldwin 's soldiers beheaded him at the Tower of David to frighten the defenders of Jerusalem .
Shortly after the crusaders laid siege to Jerusalem , on 13 June Baldwin and Tancred captured an old Muslim nobleman .
After Tancred refused to convert to Christianity , Baldwin 's soldiers beheaded Tancred at the Tower of David to frighten the defenders of Jerusalem .
Shortly after the crusaders laid siege to Jerusalem , on 13 June Baldwin and Tancred captured an old Muslim nobleman .