About Us Belli, Weil & Grozbean, P.C. is a 43-year-old, nationally recognized Law Firm that provides the best legal advice in the matter of adoption, divorce, separation, child support, child custody, domestic violence, and criminal law litigation based services in Rockville, Maryland. Since we specialize in Divorce Law and Family Law we understand that these emotional times. We promise to work closely with you to see that you and your children get the best legal settlement or trial representation.