This is reported on the royal family Twitter.

The Queen and The Duke of Edinburgh were introduced to the son of the Duke of Sussex at Windsor Castle. Ms Doria Ragland was also present. Archie Harrison Mountbatten-Windsor. pic.twitter.com/PaHVhPlUl5

- The Royal Family (@RoyalFamily) May 8, 2019

The boy was named Archie Harrison Mountbatten-Windsor.

Earlier, the couple showed a son who was born on May 6.

The wedding of Prince Harry and American actress Megan Markle took place on May 19, 2018 at Windsor Castle.