I'm pretty sure proud family will not be coming back to disney channel but it might in the future but for now i havent heard that it is coming back.
If you are talking about the Disney Show, the eldest would be the main character Penny Proud
The Proud Family - 2001 I Love You Penny Proud 1-16 was released on: USA: 8 February 2002
The Proud Family - 2001 Shorties The Beach SUSPENDED was released on: USA: 2003
The Proud Family - 2001 Strike 1-2 was released on: USA: 21 September 2001
The Proud Family - 2001 Rumors 1-3 was released on: USA: 21 September 2001
The Proud Family - 2001 I Had a Dream 1-15 was released on: USA: 1 February 2002
The Proud Family - 2001 It Takes a Thief - 2.20 was released on: USA: 12 September 2003
The Proud Family - 2001 A Star Is Scorned - 2.1 was released on: USA: 27 September 2002
The Proud Family - 2001 Election 3-4 was released on: USA: 7 November 2003
The Proud Family - 2001 Bring It On 1-1 was released on: USA: 15 September 2001
The Proud Family - 2001 She Drives Me Crazy 3-10 was released on: USA: 5 August 2005