Southern-Sòng statesman, zì Zǐgōng 子公, son of 張根 Zhāng Gēn. Rose under Xiàozōng to Cānzhī zhèngshì 參知政事 (Vice Privy Councillor). His advancement entailed the posthumous elevation of his father Zhāng Gēn to the rank of Tàishī 太師 (“Grand Tutor”), as recorded in the postface to the Wúyuán Zhōuyì jiě (KR1a0019) by his son 張垓 Zhāng Gāi.