The Four Sons of Horus were traditionally the guardians of the internal organs of the deceased. Each was associated with a particular organ, and also with a different cardinal point on the compass.
The Four Sons Of Horus
| God | Protects | Head | Point | Goddess |
| Imsety | Liver | Human | South | Isis |
| Hapy | Lungs | Baboon | North | Nephthys |
| Duamutef | Stomach | Jackal | East | Neit |
| Qebehsenuef | Intestines | Falcon | West | Selkis |
The Four Sons, from the British Museum
 |  Coffin art detail showing the 4 canopic jars under the Lion Bier while the deceased is attended by Anubis and Horus. |
See a full set of Canopic Jars on the NMS 4 Sons Of Horus Page.