Predeceased by parents John R. and Grace C. -LRB- Towse -RRB- Forster , sister H. Patricia Forster , brothers Cyril , Francis R.C . Forster , MD , J. Wilfred Forster , MD , Douglas S. Forster , MD , she is survived by niece Gail -LRB- Browne -RRB- and nephews Douglas and John Forster , all of Ontario , Canada .