Select and SQL sorting

LedgerIDName    Type ParentID
-----------------------------------------------------------
1001AA CLASS1
1002BB A/C1001
1003CC A/C1001
1004EE CLASS1008
1005DD A/C1004
1006FF A/C1004
1007GG A/C1001
1008HH CLASS1001
1009II A/C1008
1010JJ A/C1009

First sorting Type=CLASS  then  add child ID

When i pass LedgerID = 1001  then I Want like Below

LedgerIDName    TypeParentID
----------------------------------------------------------------
1001AA CLASS1
1002BBA/C1001
1003CCA/C1001
1007GGA/C1001
1008HH CLASS1001
1009IIA/C1008
1010JJA/C1008
1004EE CLASS1008
1005DDA/C1004
1006FFA/C1004