David was settled in Adrianople together with his family, and received the profits of estates in the Struma River valley, comprising an annual income of some 300,000 pieces of silver.
David estableceuse en Adrianópole, xunto coa súa familia, e recibiu os beneficios das propiedades no val do río Struma, que incluía un ingreso anual de ao redor de 300.000 pezas de prata.