Complex sentence: After his death, his nephew Ahmed Maan ruled the Shouf heartland of Fakhr-al-Din's former domains until his death in 1697 after which the Shihab family succeeded the Maans as "Emirs of Mount Lebanon".
Split into simpler sentences: After his death, his nephew Ahmed Maan ruled the Shouf heartland of Fakhr-al-Din's former domains. On Ahmed's death in 1697, the Shihab family succeeded the Maans as "Emirs of Mount Lebanon".