The Malawian proverb even declares that “Mother is God number two”
Necessity is the Mother of inventions, so say Plato the Greek philosopher.
Failure is the Mother of Success goes another chinese proverb.
In 1990 Saddam Hussein declared the "Mother of all Battles"
The main circuit board in the PC is widely called the motherboard.
Many countries call their homeland Motherland, well except Germany which has traditionally been called the Fatherland.
When the alien spacecraft comes a calling, it is called an alien Mothership.