Biography

Richard Green (1808-1878) was an early settler of Van Diemens Land, taking up land at Windermere. In 1835, he married Hannah Jackson, the niece of Mathias Gaunt. They had five sons and two daughters. Richard Green was a successful businessman with connections to mining, business and public life. A window in memory of the family was erected in the choir vestry of St. John's.
The five sons of Richard and Hannah Green (nee Jackson) were born in Launceston, the eldest, Richard, also being the longest to survive, his death coming in 1933. They had extensive business and legal connections in Launceston. 

The several memorials to the family are the window in the choir vestry of St. John's showing the arms granted to the four sons of Richard Sr.:
Arms:
Ar., between two bendlets nebuly Sa.,
a Lion pass ant between two crosses paty, Gu., the whole between as many Escallops of the second (the younger sons bearing the usual marks of cadency).
Crest:
On a Wreath of the Colours, in front of a cubit Arm
erect Ppr. The Hand grasping an Anchor in
bend sinister, Sa. A Cross Paty between
two Escallops, Or.
Motto:
Je Ferai Bien
The brass in the chapel of St. John's bearing the arms as above and the inscription reading:
TO THE GLORY OF GOD
AND IN MEMORY OF
ALFRED GREEN
BORN APRIL 18TH 1838
DIED SEPTEMBER 5TH 1912
AGED 74
ERECTED BY HIS FELLOW WARDENS

Source

Extract from 'Engraved in Memory' by J.S.Gill. 1988

Australian Dictionary of Biography
https://adb.anu.edu.au/biography/green-richard-3657
Examiner - Launceston article by Nigel Burch 27 September 2020
https://www.examiner.com.au/story/6939770/green-a-man-of-unparalleled-principles/#slide=0
Monument Australia - Richard Green and John Tevelein
https://monumentaustralia.org.au/themes/people/religion/display/101571-richard-green-and-john-tevelein