Complex sentence: Under this apportionment ordinance, the municipalities of Malabon, Navotas and Valenzuela were grouped into a single parliamentary district which was allotted two representatives, who were elected at large in the May 1984 elections.
Split into simpler sentences: Under this apportionment ordinance, the municipalities of Malabon, Navotas and Valenzuela were grouped into a single parliamentary district. The district was allotted two members, which were elected at large in the May 1984 elections.