No. In a religion with many gods or goddesses the 'g' is not capitalized. Although in religions such a Christianity where there is one God the 'G' is capitalized.
Mars was the god of war.
Mars was named after a god not a goddess. Mars is the God of War
Mars was a Roman god. He was the god of war.
The planet Mars is known for the Roman god Mars; god of war.
after the roman god mars the god of war
Mars was the God of War
Mars is the Roman god of war.
the god of the Bible is the one and only God, the Alpha and the Omega, and therefore the God of Mars too.
Mars was the god of war.
no mars was not the god of wine
Mars was named after a god not a goddess. Mars is the God of War
Mars was a Roman god. He was the God of War.
Mars was a Roman god. He was the god of war.
Mars the Roman god is the same name of the planet Mars.
The planet Mars is known for the Roman god Mars; god of war.
Mars, the god of war.
after the roman god mars the god of war