It is common to find surnames similar to Hhgjh. This is because many times the surname Hhgjh has undergone mutations.
Discerning whether the surname Hhgjh or any of the surnames similar to Hhgjh came first is not always easy. There are many reasons that could have led to the surname Hhgjh being written or pronounced differently, giving rise to a new, different surname Hhgjh with a common root.