(def user {:name {:first "Alex"
                  :middle "Nicholas"
                  :last "Baranosky"}
           :date-of-birth #inst "1980-02-06T17:00:32.312000000-00:00"
           :siblings [user2 user3]})

(use 'clj-schema.schema)
(scaffold-schema 'user-schema user)
;; => (def-map-schema user-schema [[:date-of-birth] Anything [:siblings] Anything [:name :first] Anything [:name :last] Anything [:name :middle] Anything])
;; which we can reformat like so
(def-map-schema user-schema
  [[:date-of-birth] Anything
   [:siblings] Anything]
   [:name :first] Anything
   [:name :last] Anything
   [:name :middle] Anything)  

(use clj-schema.simple-schemas)
(import java.sql.Timestamp)
(def-map-schema user-schema
  [[:date-of-birth] Timestamp
   [:name :first] NonEmptyString
   [:name :last] NonEmptyString
   (optional-path [:name :middle]) NonEmptyString
   [:siblings] (sequence-of user-schema)])