He was educated at S. Thomas ' College , Mount Lavinia in Colombo .
His grandfathers were Don Solomon Dias Bandaranayake , Mudaliyar of Siyane Korale East and Phillipsz Gysbertus Panditaratne , Mohandiram of the Governor 's Gate .
Don Solomon Dias Bandaranayake was educated at S. Thomas ' College , Mount Lavinia in Colombo .
His grandfathers were Don Solomon Dias Bandaranayake , Mudaliyar of Siyane Korale East and Phillipsz Gysbertus Panditaratne , Mohandiram of the Governor 's Gate .