In 1154 Bohemond had to borrow money from his mother in order to bribe Géraud d'Esparbès, the abbot of Saramon whom he had expelled, from plundering Astarac.
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Sometime before May 1141 he and his elder brother, Sancho II, helped their father restore the town of Simorre after it was devastated by a fire.
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The couple donated property to the abbot of Berdoues in 1172, at which point they already had three children, all daughters: Mary, Marquese (Marchesia), and Bonnefemme (Bonefemina).
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In March 1174 Bohemond approved the sale the castle of Lamaguère by its lord, Guillaume, to Géraud de la Barthe, Archbishop of Auch.