Before marrying Cristina Grossu Biffle, Greg Biffle was married to his ex-wife, Nicole Lunders, and they shared a daughter named Emma. Emma Elizabeth was born on July 6, 2011. She was only 14 years old when she passed away due to a plane crash, along with her father, step-mother, and step-brother.Greg Biffle and Nicole Lunders tied the knot more than 18 years ago in October. During a 2014 interview with USA Today, the professional stock car racing driver revealed that his daughter would come "every week" to support her father. He also talked about his ex-wife, who learned important tips and tricks from fellow NASCAR families. He said"The first one through has to pave the way. I can remember Nicole calling Katie [Kenseth, Matt Kenseth's wife] twice a day. You learn a lot from each other, from baby cameras to seats. We're all similar so a lot of what works for them works for us."Biffle's second child, whom he shares with Cristina Grossu, Ryder, was born on Sept. 9, 2020. He was only 5 years old when he passed in the tragic plane crash with his parents.Joint statement from Greg Biffle's familyGreg Biffle sadly passed away in a fatal plane crash that killed his wife, Cristina, and his two children, Ryder and Emma (daughter with ex-wife, Nicole Lunders). The family and three others who were killed were on their way to Florida for a birthday party celebration.According to reports from PEOPLE, the group was traveling on a Cessna C550. The plane crashed as they were trying to land in foggy weather at the Statesville Regional Airport around 10:15 a.m.The joint statement from the Biffle, Grossu, Dutton, and Lunders families read:"We are devastated by the loss of our loved ones. This tragedy has left all of our families heartbroken beyond words. Greg and Cristina were devoted parents and active philanthropists whose lives were centered around their young son Ryder and Greg's daughter Emma (mother - Nicole Lunders)."It briefly talked about Greg Biffle's children:"Emma was a wonderful human being with a kind soul who was loved by many people. Ryder was an active, curious and infinitely joyful child."The statement also spoke about the other passengers who passed away with the NASCAR racer. It continues:"Dennis Dutton and his son Jack were deeply loved as well, and their loss is felt by all who knew them. Craig Wadsworth was beloved by many in the NASCAR community and will be missed by those who knew him. Each of them meant everything to us, and their absence leaves an immeasurable void in our lives."It concludes:"We ask for privacy, compassion and understanding as we grieve and begin to process this unimaginable loss. We are grateful for the kindness and support that has been extended to our families during this incredibly difficult time. At this moment, our focus is on honoring their lives and supporting one another."Greg's friend, Garrett Mitchel, wrote on Facebook:"Unfortunately, I can confirm Greg Biffle, his wife Cristina, daughter Emma, and son Ryder were on that plane... Because they were on their way to spend the afternoon with us. We are devastated. I'm so sorry to share this."Emma Biffle was Greg Biffle's daughter from his first marriage and was only 14 years old when she died in the plane crash. She was known as a kind, loving girl who often supported her father and was deeply loved by many. Her loss has left a painful void in the lives of her family and everyone who knew her.Also read: Who is Cristina Biffle's mother? Details explored as she confirms daughter's final message before Greg Biffle plane crash