Basically I give you the couple and the child(ren) they already have...with no rules or restrictions (other than the sibling set has to sound good together).
#1: Amy Lynn and Daniel Calvin have a son William
#2: Ashley Annette & Adam Dean have a daughter Reese Jordan
#3: Christopher Daniel & Stephanie have a daughter Adrianna
#4: Heather Marie and David have a son Seth Rylan Lorenz
#5: Jessica and Shamus have Jessica's son Tyler Austin
#6: Jo & Bill have a Jaydon
#7: Jonathan and Julie have Johanna
#8: Kimberly and Aaron have a son James Michael
#9: Mandie and Don have a son Lukas Montana
#10: Robert Dale and Lois have Rob's daughter Lily Brianne
Now basically the same thing as above but these couples are expecting their first child.
#1: Amanda & Gregory are due January 7 2012
#2: Bill & Kathryn May are due August 2011 and its a boy!
#3: Elizabeth Ann & Jason are due December 26 2011