This weekend, there will be a joint christening ceremony held in a private church which forms part of the Royal Lodge house for the latest two royal babies.
The bundles of joy welcomed this year by Zara Tindall and Princess Eugenie are among the Queen’s 12 great-grandchildren.
On February 9, Princess Eugenie and her husband Jack Brooksbank welcomed their first child August to the world.While Zara and Mike Tindall welcomed their third child, Lucas Philip Tindall, on March 21.
The second cousins are to expected be baptised at the Royal Chapel of All Saints in Windsor Great Park this weekend.
The Queen is determined to be in attendance, a royal source has claimed.
It is understood the sovereign will take a decision on the day and consult with her personal doctor in advance.
It comes after the Queen was forced to pull out of her appearance at last weekend’s Remembrance Sunday service at the Cenotaph due to a sprained back.