sentences:  Brenda Helser
  
  Brenda Mersereau Helser (May 26, 1924 – March 26, 2001), later known by her married name Brenda Helser de Morelos, was an American former competition swimmer who won a gold medal in the women's 4×100-meter freestyle relay at the 1948 Summer Olympics in London.A graduate of Stanford University, de Morelos grew up in Oregon where she graduated from Lincoln High School.