Kerstin Britt Lysiak (née Rosengren), age 47 of McHenry, Illinois, passed away peacefully on December 11, 2021, surrounded by her loving family. She was born on January 25, 1974, in Chicago, Illinois, to Björn and Sharon (Blyth) Rosengren.

Kerstin will be remembered for her great sense of humor, her kindness, her beautiful smile, and her love for her family, especially her grandson, Aeson.

Kerstin enjoyed a great love of music which she shared with her son Billy and an artistic flair shared with her daughter Kayle.

Her love for cooking was evident in her willingness to try new restaurants and new recipes. While Kerstin loved all animals, she was particularly fond of her cats. She loved attending rock concerts; she even met and had her picture taken with Robert Plant. Kerstin enjoyed walking at Moraine Hills with her sister, Kim. Kerstin enjoyed fishing with her Mom and Dad. During the summer Kerstin and Jason enjoyed attending local fairs.

Kerstin is survived by her children; Kayle and Billy, her grandson Aeson. Her parents; Björn and Sharon Rosengren; a sister, Kim Kuesis and brother-in-law Joe; her nephew, Brandon and niece, Berit; her long time boyfriend, Jason Sapp and by Chris a child of her heart.

Arrangements have been entrusted to the Justen Funeral Home. 3700 W. Charles J. Miller Road, McHenry, Illinois. For information, please call the Funeral Home at 815-385-2400, or visit www.justenfh.com, where friends and loved ones may share memories of Kerstin on her tribute wall.