Ruddy is the English word that is used to translate the original Hebrew word of the Old Testament, pronounced ad-mow-nee, which means red, or reddish. The most famous "redhead" of Bible History is King David, although he is most certainly not the first, perhaps going all the way back to the first humans. Adam is from the Hebrew word, pronounced aw-dawm, which although came to mean man, literally means reddish or blushed - Adam was created from the "red clay" of the earth, in Hebrew pronounced aw-dah-mah, and Eve was genetically identical to Adam.
The Lord sent Samuel to annoint the ruddy shepherd boy as king:
"And Samuel said to Jesse, "Are all your sons here?"
"And he said, "There remains yet the youngest, but behold, he is keeping the sheep."
"And Samuel said to Jesse, "Send and fetch him; for we will not sit down till he comes here."
"And he sent, and brought him in. Now he was ruddy, and had beautiful eyes, and was handsome. And The Lord said, "Arise, anoint him; for this is he."
"Then Samuel took the horn of oil, and anointed him in the midst of his brothers; and the Spirit of The Lord came mightily upon David from that day forward." (1 Samuel 16:11-13 RSV)
Goliath challenged the ruddy shepherd youth:
"And the Philistine came on and drew near to David, with his shield-bearer in front of him. And when the Philistine looked, and saw David, he disdained him; for he was but a youth, ruddy and comely in appearance. And the Philistine said to David, "Am I a dog, that you come to me with sticks?" And the Philistine cursed David by his gods. The Philistine said to David, "Come to me, and I will give your flesh to the birds of the air and to the beasts of the field."
"Then David said to the Philistine, "You come to me with a sword and with a spear and with a javelin; but I come to you in the name of The Lord of hosts, the God of the armies of Israel, whom you have defied. This day The Lord will deliver you into my hand, and I will strike you down, and cut off your head; and I will give the dead bodies of the host of the Philistines this day to the birds of the air and to the wild beasts of the earth; that all the earth may know that there is a God in Israel, and that all this assembly may know that The Lord saves not with sword and spear; for the battle is The Lord's and He will give you into our hand."
"When the Philistine arose and came and drew near to meet David, David ran quickly toward the battle line to meet the Philistine. And David put his hand in his bag and took out a stone, and slung it, and struck the Philistine on his forehead; the stone sank into his forehead, and he fell on his face to the ground. So David prevailed over the Philistine with a sling and with a stone, and struck the Philistine, and killed him; there was no sword in the hand of David." (1 Samuel 17:41-50 RSV)
Fact Finder: Was there anything unusual about the appearance of Jesus Christ, or did He look like any other Jew of His time?
See What Did Jesus Look Like?