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      My name is Jack. I am a pupil of Grade One. I'm in No.1 Middle School. On weekdays I get up at six o'clock. I have breakfast at seven and then I go to school by bike. We begin our class at eight o’clock in the morning. We have four classes in the morning and three in the afternoon.

      At noon, I have lunch at home. Classes are over at four fifteen in the afternoon. After class, we often play football in the afternoon. I go home at about five. I have supper at about six thirty in the evening. I do my homework at seven thirty. At weekends, I watch TV. I often go to bed at ten. I'm very happy.

小明翻阅家谱时看到“十一世长房：伯爵公，忠厚无华，勤力本业，家族有事，无不勉赴，不失为祖宗纯孙。”材料中的“伯爵公”最有可能是