An Encino man and several members of his family were among those found guilty of a scheme to take out more than $18 million in COVID-19 relief loans. A federal jury found Richard Ayvazyan, 42; his wife, 37-year-old Marietta Terabelian; his brother, 41-year-old Artur Ayvazyan, and in-law Vahe Dadyan, 41, of Glendale, guilty Friday of …