Complex sentence: Next Odysseus met the spirit of his own mother, who had died of grief during his long absence; from her, he learned for the first time news of his own household, threatened by the greed of Penelope's suitors.
Split into simpler sentences: Next Odysseus met the spirit of his own mother, who had died of grief during his long absence. From her, he learned for the first time news of his own household, threatened by the greed of Penelope's suitors.