The Horse & Foal Set #7038 included mare and foal, rider, plastic English tack, first aid kit, syringe, ointment tube and brush. On the 2006 Retired List.
The Frolicking Horse Family Gift Set #7212, included the models from the above set, along with a stallion. Unknown what year(s) this was released. Was available at Big Lots, and maybe other similar stores.