 Born in London, England, de Sola Pool was descended from an old and renowned family of rabbis and scholars, de Sola, which traces its origins to medieval Spain.His great grandparents were Rabbi (R.) David Aaron de Sola and Rebecca Meldola, his great-great grandfather was Haham Raphael Meldola, a prominent English Rabbi.He was also related to R. Abraham de Sola, R. Henry Pereira Mendes and Dr. Frederick de Sola Mendes.