The image for the marriage is on FindMyPast.
Other birth registrations for siblings of Alfred
CROUCH, JOHN WILLIAM mmn YOUNG
GRO Reference: 1854 Mar Quarter in TUNBRIDGE Volume 02A Page 358
(Baptised Tunbridge Wells)
CROUCH, EDWIN mmn YOUNG
GRO Reference: 1856 Dec Quarter in SEVENOAKS UNION Volume 02A Page 340
(Baptised Seal)
CROUCH, MARY ANN mmn YOUNG
GRO Reference: 1858 Mar Quarter in MALLING Volume 02A Page 362
Baptised Kemsing
CROUCH, JOHN mmn YOUNG
GRO Reference: 1859 June Quarter in SEVENOAKS UNION Volume 02A Page 370
Baptised Kemsing
Baptisms on FindMyPast confirm parents as John & Selina/Selena