In 1978, the Entenmann family agreed to sell their family company and move on to greener pastures. One of Martha Clara’s sons, Robert Entenmann, purchased a potato farm and transformed it into a thoroughbred horse farm on the North Fork of Long Island. Throughout the years he enjoyed his horses and the beauty of the area. However, he couldn't help but notice the changing landscape all around him. The neighboring potato farms began to give way to vineyards; it was just a matter of time before he would follow suit. In 1995 Robert caught the grape bug and planted 18 acres of vitis vinifera grapes. Over the next four years his vineyard acreage grew to over 100 acres as he anxiously waited for the grapes to come of age. Robert Entenmann, owner of Martha Clara Vineyards, named the venture after his mother, Martha Clara Entenmann.