The Queen has a son, Tom Parker Bowles, who has two children, Lola, 15, and Freddy, 13.
Her daughter, Laura Lopes, has three, Eliza, 15, and 13-year-old twins Louis and Gus.
Camilla wants the children – to whom she is known as “GaGa” – to hold a ceremonial canopy over her head while she is anointed with oil.
They would serve in a role traditionally undertaken by duchesses.
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