The Spirits' Book
Book Two - The Spirit World
Chapter IX - Intervention of Spirits on the Physical World
Guardian Angels: Protective, Familiar and Sympathetic Spirits
507. Do all protective spirits belong to higher orders? Are they sometimes average? Can parents, for example, become spirit guardians to their own children?
“They may but this would presume a certain degree of elevation and a quality granted by God. Parents who watch over their children may themselves be assisted by a more elevated spirit.”