"...how your uncles 舅 (mother's brother) 伯 (father's elder brother) 叔 (father's younger brother) relate to your parents." These words are likely also on their

"...how your uncles 舅 (mother's brother) 伯 (father's elder brother) 叔 (father's younger brother) relate to your parents." These words are likely also on their way out, when you consider how few people in China have uncles in the present generation.