President of the Philippines
Demetria Sumulong married Jose Chichioco Cojuangco of Tarlac. Their fourth child (Sumulong's granddaughter) was Corazon C. Aquino, 11th President of the Philippines (1986-1992), thus her son (Sumulong's great-grandson) is Benigno Aquino III, the 15th President of the Philippines.