Glenn Frey married twice. From 1983 to 1988, he was married to artist Janie Beggs. He married dancer and choreographer Cindy Millican in 1990. They had three children: a daughter Taylor, and two sons Deacon and Otis, and remained together until his death. Deacon Frey, since his father's death, has toured with the surviving Eagles. From about 2000, Frey had suffered from rheumatoid arthritis, which affected various joints of his body. The medication that he was prescribed to control the disease eventually led to colitis and pneumonia, and in November 2015, the Eagles announced that they were postponing their appearance at the
Glenn Frey intended to join Seger's group but his mother blocked that course of action for smoking cannabis with Seger. In the later part of 1967, Frey also pulled together another band called Heavy Metal Kids with Jeff Burrows (piano), Jeff Alborell (bass), Paul Kelcourse (lead guitar) and Lance Dickerson (drums). In 1968, at age 19, Frey played the acoustic guitar and performed background vocals on Seger's single, "Ramblin' Gamblin' Man". Frey has said that Seger strongly encouraged and influenced him to focus on writing original songs. They remained good friends and occasional songwriting partners in later years, and Frey would also