Stone statue of Saint Anne selbdritt flanked by statues of Saint Joachim, Anne's husband, and Saint Joseph. It is in the garden of Saint Wenceslas church.
AnnaSelbdritt, The Virgin and Child with Saint Anne - is a subject in Christian art, showing Saint Anne with her daughter, the Virgin Mary, and her grandson Jesus. This type has been quite popular in Germany from the 14th century
(Wikipedia).
the husband of the Virgin Mary and the earthly father of Jesus Christ (in distinction to God, his "heavenly father") (Wikipedia).
the husband of Saint Anne and the father of Mary, the mother of Jesus
(Wikipedia).