Emilio was born .... in Kawite, Cavite to Benito Olaes and Fidela Galan.
Emilio's brothers were Victor Galan Olaes, Cornelio Galan Olaes, Nemecio Galan Olaes, Constantino Galan Olaes, and Leopoldo Galan Olaes. His sisters were Soledad (Galan) Olaes Basa and Petronila (Galan) Olaes Deleon. Emilio had two half-brothers from his father's side, Higino Olaes and Anastacio Olaes and a half-sister from his mother's side, Beatrice (Galan) Lontoc Balan.
Emilio married Soledad Asias on .............. Their sons are Antonio Asias Olaes, Gene (Gener) Asias Olaes and Romeo Asias Olaes and daughter is Cecilia Asias (Olaes) Perez.