God the Father
Even though the term "Father" itself is masculine, God is understood to have the form of a spirit without any human biological gender as he is a being beyond our understanding. Catechism of the Catholic Church No. 239 specifically states that "God is neither man nor woman: he is God". Even though God is never directly called "Mother" in the Bible, in the Book of Isaiah there are many verses where God is shown to have motherly attributes, such as: ,  or .