Complex sentence: She had been adopted and raised by the Iroquois, she said, and had eventually married an Iroquois war captain, Carondawana (Oneida), with whom she had several children before his death in battle in 1729.
Split into simpler sentences: She had been adopted and raised by the Iroquois, she said. She eventually married an Carondawana, an Oneida war chief, with whom she had several children before his death in battle in 1729.