Original sentence: Both men had been involved in duels or challenges to duels in the past (it is reported that]] Hamilton was involved in 21 duels, but Burr had actually participated in one.Hamilton had particular qualms because his beloved son, Philip, had rashly entered into a fatal duel in 1802
Edited sentence: ) Hamilton had particular qualms because his beloved son, Philip, had rashly entered into a fatal duel in 1802.Both men had been involved in duels or challenges to duels in the past (it is reported that]] Hamilton was somehow involved in 21 duels, but Burr had actually participated in one