Ding Gu 丁固

In the 8th month of the 2nd year of Taiping (257), a rebellion broke out in the southern part of Kuaiji and the Commandant was killed. When the people of Poyang and Xindu also rose in revolt, the Commandant of Justice Ding Mi, together with the Colonel of Infantry Zheng Zhou and the general Zhongli Mu, led troops to suppress them. Records, Wu 3 §15 · 17

In the 10th month, in winter, of the 5th year of Yong'an (262), Sun Xiu made the General of the Guards Puyang Xing Chancellor, and made the Commandant of Justice Ding Mi and Meng Zong, Superintendent of the Imperial Household, Grandee Secretaries of the Left and Right. Records, Wu 3 §37

In the 9th month of the 1st year of Ganlu (265), in the reign of Sun Hao, Sun Hao followed a memorial from Bu Chan, Area Commander of Xiling, and moved the capital to Wuchang, leaving the Grandee Secretary Ding Gu and Zhuge Jing, General of the Right, to guard Jianye. Records, Wu 3 §52 · 54

In the 10th month, in winter, of the 1st year of Baoding (266), the mountain bandit Shi Dan of Yong'an and others gathered a following of several thousand, coerced Sun Qian, Marquis of Yong'an and Sun Hao's younger half-brother by a concubine, and took him out to Wucheng, seizing the drums and pipes and the curved canopy kept at the tomb of Sun He. By the time they neared Jianye their following had grown to more than ten thousand, but Ding Gu and Zhuge Jing met them at Niutun and fought a great battle, and Shi Dan and the others were routed and fled. Sun Qian was captured and killed himself. Records, Wu 3 §55 · 57–58

The biography of Lu Kai contains a story introduced with 'some say' that in the 12th month of the 1st year of Baoding (266) Lu Kai plotted with the Grand Marshal Ding Feng and the Grandee Secretary Ding Gu to depose Sun Hao while he was paying his respects at the ancestral temple, and to set up a son of Sun Xiu. Because the General of the Left Liu Ping was due to lead the troops in the vanguard at that time, they secretly told him of it, but Liu Ping refused to go along while swearing not to divulge it, and for this reason the plan came to nothing. Records, Wu 16 §32–33

In the 2nd month, in spring, of the 3rd year of Baoding (268), the Grandee Secretaries of the Left and Right, Ding Gu and Meng Ren, became Minister over the Masses and Minister of Works. Records, Wu 3 §60

Following the entry that appointed Lu Kang Grand Marshal in the 3rd month, in spring, of the 2nd year of Fenghuang (273), Chen Shou recorded that the Minister over the Masses Ding Gu died. Chen Shou's text does not record his courtesy name, his place of origin, or his age at death. Records, Wu 3 §64–65

In his assessment in Volume 3, Chen Shou said that those who died or were banished through Sun Hao's excessive punishments were beyond counting, but he did not name Ding Gu. Records, Wu 3 §88–90