Prince William's version of his family's coat was given to him by Queen Elizabeth II on his 18th birthday, and the Middleton family received theirs before Kate married into the royal family in 2011.

The coat, which was unveiled Tuesday, was commissioned by her father, Michael Middleton, for his family at London’s College of Arms in time for the April 29 wedding. But what does it all mean?

On the left is William's shield, a version of the Royal Coat of Arms presented to him on his 18th birthday by the queen. On the right is the Middleton family's Coat of Arms , granted to the family ...

And when the coat of arms of 18-year-old Prince William was unveiled Sunday, the son of the late Princess Diana made his first mark on the traditions of the royal family.

Robbie Williams has ­celebrated his roots – by ­getting a tattoo done of his home town’s coat of arms. The singer, 37, asked ­tattooist Leigh Cooper to put the crest of Burslem in Stoke on ...

Now, Kate's coat has been joined with Will's coat to represent their family forever and ever. It seems a little weird that their coats weren't joined right after they were married — the timing ...

The Duchess’s shield, from the Middleton Coat of Arms and granted to the family in 2011 ahead of Kate’s marriage, is shown on the right.

Though Kensington Palace and the College of Arms declined to comment on whether or not a coat of arms will be gifted to Meghan’s dad, Thomas Markle, in honor of the royal bride-to-be’s May 19 ...

On the right side is the Middleton family coat of arms. It is divided vertically into a blue and red half and features a gold chevron across the center with white "cotises" each side.

Garter Principal King of Arms and Senior Herald in England, Thomas Woodcock unveils the new Coat of Arms for Kate Middleton's family in 2011.

Prince William's royal coat of arms, which marks his 18th birthday, includes a unique addition - a tribute to his late mother Princess Diana.