Je n'ai pas d'yeux marron.
See link for pronunciation.
he has brown eyes : il a des yeux bruns
No. It means they both have brown eyes.
He has Brown eyes
her hair is brown and her eyes were blue.
brown
Peter Andre has dark brown eyes.
His eyes are light blue.
She has Really Dark Brown Eyes,
Mon frere a les yeux bruns. The first "e" in "frere" should have a grave accent.
brown.
Brown.
brown