Fratricide was not originally legal in the
Ottoman Empire. The practice of fratricide was legalized by
Mehmed II. His grandfather,
Mehmed I, struggled over the throne with his brothers
Süleyman,
İsa, and
Musa during the
Ottoman Interregnum. This civil war lasted eight years and weakened the empire due to the casualties it inflicted and the division it sowed in Ottoman society. As a result, Mehmed II formally legalized the practice of fratricide in order to preserve the state and not further place strain on the unity as previous civil wars did. Mehmed II stated, "Of any of my sons that ascends the throne, it is acceptable for him to kill his brothers for the common benefit of the people (
nizam-i alem). The majority of the
ulama (Muslim scholars) have approved this; let action be taken accordingly." When Mehmed's son,
Bayezid II died, his son
Selim I immediately assumed the throne and proceeded to execute his two brothers
Ahmed and
Korkut. The largest practice of fratricide was committed by
Mehmed III when he had 19 of his brothers murdered and buried alongside their father. His successor
Ahmed I, when faced with public disapproval for the practice of fratricide, decided to outlaw the practice and replace it with seniority ascension system along with imprisonment in the
Kafes of any prince who would be a possible threat to the throne. == Mughal Empire ==