Simplify the following text for a Grade 6 native English-speaking person.
Original: VelÃ zquez painted portraits of Mariana and her children , and although Philip himself resisted being portrayed in his old age he did allow VelÃ zquez to include him in Las Meninas .
Simplified: Philip himself did not like being painted when he was old , but he allowed VelÃ zquez to include him in Las Meninas .