Joan A. Diehl (nee: Brinkmeier), of St. Peters, Missouri, Fortified with the Sacraments of Holy Mother Church on Saturday, January 14, 2012 at the age of 78. She was the beloved daughter the late Oliver B. and Elvera Brinkmeier; devoted mother of Dennis (Pat) Diehl, David (Jane) Diehl, Christine Bradshaw, and Martin (Susan) Diehl; cherished grandmother of Katie, Nick, Sarah, David, Josh, Nichole, Jason, Phillip, and Paige; and dear sister of Oliver (Pat) Brinkmeier. She was also a very loving aunt, cousin, and friend to many and will be dearly missed by all. Joan was a devout Catholic who enjoyed crafting, art, and writing poems, but, most of all, she loved her family. She was also a Girl Scout Leader and a Room Mom for Mary Queen of the Universe School. Memorials may be made to Sts. Joachim and Ann Care Service.