here's a non-comprehensive list of cases where parents tried praying instead of taking their kids to the doctor, then the kids died:
Schaible:
http://www.huffingtonpost.com/2013/04/23/herbert-catherine-schaible_n_3138001.html
Neumann:
http://www.foxnews.com/story/0,2933,341574,00.html
Bellew:
http://www.dailymail.co.uk/news/article-2205306/Russel-Brandi-Bellew-Faith-healer-parents-avoid-jail-Austin-Sprout-16-dies.html
Hickman:
http://global.christianpost.com/news/faith-healing-scandal-parents-prayed-instead-of-seeking-medical-care-as-child-slowly-died-56743/
Raffield (name of the police officer in the case since the parents were unnamed):
http://www.kltv.com/story/18648752/parents-pray-for-15-hours-over-dead-baby-before-calling-911
Swezey:
http://www.wenatcheeworld.com/news/2012/jun/09/swezey-plea-means-no-appeal-of-faith-healing/
add more if you know of any others :)