Joachim (; Hebrew: יהויקים, romanized: Yəhoyāqim, lit. 'he whom Yahweh has set up'; Greek: Ἰωακείμ, romanized: Iōākeím) was, according to Christianity, the husband of Saint Anne, the father of Mary (mother of Jesus), and the maternal grandfather of Jesus. The story of Joachim and Anne first appears in the Gospel of James, part of the New Testament apocrypha. His feast day is 26 July, a date shared with Saint Anne. In Christian tradition.
https://en.wikipedia.org/wiki/Joachim