Wivenhoe estate Estate Large land grant at Narellan made to Reverend William Cowper in 1812 and subsequently developed by the family into a farm, and parkland estate. Property Occupied by Mater Dei School {"name":"Occupied","target":"Mater Dei School","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} Owned by Cowper, William 1812 - 1858 {"name":"Owner of","target":"Cowper, William","target_text":null,"date":{"#markup":"<span class='date'>1812<\/span><span class='separator'> - <\/span><span class='date'>1858<\/span>"},"date_start":"1812","date_end":"1858"} Type Estate {"name":"Estate","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} image