Bo Qin (伯禽 Bóqín), also known as Qin Fu (禽父), also known by his posthumous name as the Duke Tai of Lu (魯太公), was the founder of the Lu state, a dynastic vassal state of the Zhou dynasty.

Born into the royal Ji family, he was the eldest son of Dan, the Duke of Zhou. Instead of inheriting his father's estate in Zhou, he was granted the newly established State of Lu centered at Qufu. He is thought to have ruled Lu from around 1042 to 997 BC.

He was succeeded first by his son Duke Kao and then by Duke Yang, another of his sons.

The main line of the Duke of Zhou's descendants came from Bo Qin's third son Yu (魚), whose descendants adopted the surname Dongye (東野). The Duke of Zhou's offspring held the title of Wujing Boshi (五经博士; 五經博士; Wǔjīng Bóshì).

Bo Qin was the ancestor of Mencius through Qingfu (慶父), a son of Duke Huan of Lu, who was, in turn, a descendent of Bo Qin. The genealogy is found in the Mencius family tree (孟子世家大宗世系).

伯禽（約前1068年 - 前998年），姬姓，字伯，亦稱禽父。周朝諸侯國魯國第一任君主，周公旦長子。《史記》記載就任年在周公東征，即周成王元年（約前1042年）。

周公東征之後，周成王將商朝遺民六族和泰山之南的原奄國土地、人民封給周公，為魯國。由于周公需要留在朝中，因此派其長子伯禽赴魯國就任。

伯禽到任之後，在齊太公的齊國軍隊支援下平定了淮夷和徐戎的叛亂，奠定了周朝在淮河以北地區的統治。在進軍過程中，伯禽在費地作《費誓》激勵士氣，這篇文辭被記記載在尚書之中。

伯禽與齊國第二代君主齊丁公伋、衛國第二代君主衛康伯以及晉國第二代君主晉侯燮共事周康王。周康王分三位諸侯以珍寶之器。而同事周康王的楚君熊繹卻無分。春秋時期的前530年，楚靈王仍忿然提起此事。

伯禽在位共46年，魯國在他的統治下成為著名的「禮儀之邦」，疆域北至泰山、南達徐州、東至黃海、西抵陽穀一帶，成為在今山東境內與齊國抗衡的大國。

中國曆史博物館藏禽簋，《殷周金文集成》編號「七·四〇四一」。其銘文記載了周成王討伐東方的奄侯，周公謀劃這次征伐，而「禽」也就是當時為周王室大祝的伯禽，在助祭時宣讀祝辭。

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