Complex sentence: The youngest child, Sulie, becomes lost in the deep woods and the family is forced to give her up as either dead or kidnapped by Indians, leading a grief-stricken Worth to abandon the family to keep searching for her.
Split into simpler sentences: The youngest child, Sulie, becomes lost in the deep woods and the family is forced to give her up as either dead or kidnapped by Indians. This leads a grief-stricken Worth to abandon the family to keep searching for her.