Princess Eugenie has been quiet on Instagram since the news of her father’s arrest in February, but on Monday, May 4, she shared an exciting announcement with a little help from her sons, August and Ernest . “Baby Brooksbank due 2026! ♥️♥️♥️♥️♥️👶🏻♥️♥️♥️♥️♥️” Eugenie captioned a sweet photo of August, 5, and Ernest, who will turn 3 at the end of May. In the picture, the boys are standing in front of a white picket fence and looking down at an ultrasound photo. In turn, Buckingham Palace shared an official pregnancy announcement, writing, “Her Royal Highness Princess Eugenie and Mr Jack Brooksbank are very pleased to announce that they are expecting their third child together, due this summer.” Article continues below The palace shared that Ernest and August “are also very excited to have another sibling join the family” and that King Charles “has been informed and is delighted with the news.” There was no mention of Princess Eugenie’s parents, Andrew Mountbatten-Windsor or Sarah Ferguson , in the palace…