Pilumnus

Etymology
From, from +.

Proper noun

 * 1) a minor Roman god guarding the good health and growth of children

Usage notes

 * One of two brother deities. Pīlumnus was a personification of the pestle and  was a personification of the woodpecker ; both were companions of Mars, and tutelary deities of married couples and newborns.
 * Pīlumnus taught humanity how to grind grain.
 * He was the consort of Danaë, father of Danaus and ancestor of Turnus.