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Family name Liangsan (Liangsan ) , in the world, is an extremely rare cognomen. Much more frequently, Liangsan is the forename as well as the last name.
両散, 両繖, 两三, 两叁, 亮三, 亮叁, 亮圣, 凉散, 梁三, 梁圣, 良三, 良圣, and 量三
Ma, Li, Xu, Chen, Zhao, Hsieh, and Zhang