Lorenzo Lotto
The Mystic Marriage of St. Catherine

1524
Oil on wood, 98 x 114 cm
Galleria Nazionale, Rome

The saints are (clockwise from the bottom left) Jerome (lion and book), George (armor and spear), Sebastian (arrow),
Nicholas of Bari (crozier), Anthony Abbot (bells, book), and Catherine. The woman in the center is of course the Virgin Mary, holding the Christ Child on her lap.

More of St. Catherine of Alexandria
More of St. Jerome
More of St. George
More of St. Sebastian
More of St. Anthony Abbot
More of St. Nicholas of Bari

Source: Web Gallery of Art