The Celtic family knot, also known as the Celtic clan knot, uses intertwining hearts to symbolize the love held for individual family members. Celtic knots are endless, with no beginning and no end.
The endless nature of the Celtic knot, also known as a mystic knot, refers to the spiritual immortality of man. It is meant to symbolize the connection between mortal life and eternity. Some people use Celtic knots as charms to ward off negative energy that may cause illness or poor fortune. Another example of a Celtic knot is the Celtic shield knot. It represents protection from illness and evil.