I reckon that his Filipina wife is residing in the Philippines, if so, she should lodge her Schengen Visa application at the Spanish Embassy in Manila.

Spanish Embassy in Makati City, Philippines


Embassy of Spain in Manila, Philippines
5th floor, A.C.T. Tower.
135, Sen. Gil J. Puyat Av.
1251 Makati, Metro Manila
City: Makati City
Phone: 818 35 61, 818 35 81 y 759 29 70
Fax: (+63) 2 810 28 85
Web Site: http://www.maec.es/Subwebs/Consulado...inas/Home.aspx
Email: con.manila@maec.es
Office Hours: 08.00-15.30