Peter Trevor Maxwell, 28th Baron de Ros of Helmsley (born 2/23 December 1958) is the Premier Baron of England, by virtue of his holding the oldest baronial title created in the Peerage of England.

He is the son of Lieutenant-Commander John David Maxwell, RN

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 and of Lady de Ros

Georgiana Maxwell, 27th Baroness de Ros

Georgiana Angela Maxwell, 27th Baroness de Ros of Helmsley succeeded her grandmother Una Ross after the title was called out of abeyance in her favour in 1958. She was the first woman of her line to be allowed to sit in the House of Lords after the Peerage Act 1963.The 27th Baroness was the...

, a suo jure

Suo jure

Suo jure is a Latin phrase meaning "in her [or his] own right".It is commonly encountered in the context of titles of nobility, especially in cases where a wife may hold a title in her own right rather than through her marriage....

 peeress.

The 28th Baron was educated at Headfort School, in Kells, Ireland

Kells, County Meath

Kells is a town in County Meath, Ireland. The town lies off the M3 motorway, from Navan and from Dublin. In recent years Kells has grown greatly with many Dublin commuters moving to the town....

, as well as Down High School, in Downpatrick

Downpatrick

Downpatrick is a medium-sized town about 33 km south of Belfast in County Down, Northern Ireland. It is the county town of Down with a rich history and strong connection to Saint Patrick. It had a population of 10,316 at the 2001 Census...

, Northern Ireland

Northern Ireland

Northern Ireland is one of the four countries of the United Kingdom. Situated in the north-east of the island of Ireland, it shares a border with the Republic of Ireland to the south and west...

. On 5 September 1987, the Lord de Ros married Angela Sián Ross, and they have three children:

• The Hon. Finbar James Maxwell (born 14 November 1988), who is his father's heir apparent
  Heir apparent
  An heir apparent or heiress apparent is a person who is first in line of succession and cannot be displaced from inheriting, except by a change in the rules of succession....
  
  
• The Hon. Katherine Georgiana Maxwell (born 26 October 1990)
• The Hon. Jessye Maeve Maxwell (born 8 July 1992)