Question

Is jehan percy the son of anna sommerset

Answer 1

Karin,

Do you have any more information? Probable dates/places would be helpful.

Answer 2

Yes he is her son if the following is correct but there are no sources to confirm.  This website can be questionable so use at your own risk.

Web: Netherlands, GenealogieOnline Trees Index, 1000-2015

Name

Jehan Piercy

Gender

m

Birth Date

11 Jun 1570

Birth Place

Old Aberdeen

Father

Thomas Percy

Mother

Anna Sommerset

Spouse

Judoca Reygers

Children

Jehan Piercy

Answer 3

There is a full discussion on whether Jehan is the son of Anne Somerset and her husband Thomas Percy , Earl of Northumberland on Jehan's profile. https://www.wikitree.com/wiki/Percy-562

The couple are not linked as parents since  there is no proof of any relatioship

According to the profile editors, Thomas Percy died  without a male heir and his titles were inherited by his brother Henry.