Ms Scullard said: "Harry asked me if my 10-week-old daughter Ida was over the stormy period as babies are supposed to be grumpy for the first 10 weeks - and she is".
Prince Harry, 34, and Meghan, 37, welcomed their first son, Archie Harrison, early on Monday morning of last week, and have been enjoying time as a family at their new home Frogmore Cottage on the Queen's Windsor estate.More news: #TRAILERCHEST: Angelina Jolie is more wicked than ever as Maleficent 2 arrives
But Prince Harry has kept up with his engagements, even travelling to The Hague last week to launch a countdown to the Invictus Games.
It could be a message to everyone just to let them know that Grandma Doria is going to be a big part of Archie's life, whether that's part of royal protocol or not.
The duchess was at Bletchley Park, near Milton Keynes, while the duke was the Royal Geographic Society in Kensington, west London.More news: Felicity Huffman Formally Pleads Guilty To College Entrance Exam Fraud
"Paying tribute to all mothers today-past, present, mothers-to-be, and those lost but forever remembered", the post reads.
Historian Kate Williams adds: "I think you also have to accept the fact that we may not be completely privy to everything that is going on". The mother and son appear to be outside over a bed of tiny blue flowers, which have been identified as forget-me-nots, aka Princess Diana's favorite flower.More news: Tati Wesbrook Breaks Silence As James Charles Loses 3M Subscribers
Meghan Markle and Prince Harry with baby Archie. Today is Mother's Day in the United States, Canada, Australia, New Zealand, South Africa, Kenya, Japan, and several countries across Europe. They likely will offer the Duke and Duchess of Sussex quite a lot of support as they navigate their new lives. Harry, who met local residents at the Barton Neighbourhood Centre, was congratulated by one well-wisher Fatma Sheikh, a mother-of-three, who told him: "You done good".