In the 1840s the Dawson Borrer family refurbished .
In the 1840s the Dawson Borrer family altered the house and gardens , adding the lake that was dug as relief work for the local population during the Irish famine .
In the 1840s the Dawson Borrer family refurbished and altered the house and gardens , adding the lake that was dug as relief work for the local population during the Irish famine .