Sir Joshua Reynolds – The Infant Jupiter (late 1770)
The oil painting depicts the young god seated on a rocky promontory guarded by his eagle and clutching the lightning bolts that are Jupiter’s attributes. The goat that suckled him in infancy is shown in attendance.
http://www.historicalportraits.com/Gallery.asp?Page=Item&ItemID=1137&Desc=The-Infant-Jupiter-|-Sir-Joshua-Reynolds-P.R.A.
http://www.philipmould.com/gallery/all-works/91