Complex sentence: Finrod and his army retired south to Nargothrond, while Barahir continued to try to contest Dorthonion with a dwindling force of men evacuating the women and children of the House of Bëor to Hithlum and Brethil under the leadership of Emeldir, the wife of Barahir.
Split into simpler sentences: Finrod and his army retired south to Nargothrond, while Barahir continued to try to contest Dorthonion with a dwindling force of men. When the land becane unhospitable, the women and children of the House of Bëor relocated to Hithlum and Brethil under the leadership of Emeldir, the wife of Barahir.