Chad Lowe's daughter Mabel honors late sister Fiona in social media tribute

<p>This story discusses suicide. If you or someone you know is having thoughts of suicide, please contact the National Suicide Prevention Lifeline at 988 or 1-800-273-TALK (8255).</p><p>Chad Lowe's daughter, Mabel, mourned the loss of her younger sister Fiona, who died at a Los Angeles hospital on September 29. Fiona was 13 years old, and the official cause of death was ruled a suicide by the County of Los Angeles Medical Examiner's office.</p><p>Mabel, 17, shared a series of images with her sister in a post on social media over the weekend. In her post, she expressed her love for Fiona, stating, "I love you so much Fiona. I wish your short time here was easier and I hope your mind is at ease now. I will honor you forever and keep your memory alive. I love you, I hope you knew just how much."</p><p>Family friends offered condolences during this difficult time. Actor Jeremy Renner commented, "Bless you dear Mabel. My deepest condolences to you and the family." Jessica Capshaw noted, "What a beautiful tribute to your sister. I have had you and your family in my thoughts and prayers and I’m sending you all so much love." Kimberly Williams Paisley added, "Mabel, we’ve been thinking of your family all week and sending you prayers and so much love," while Selma Blair expressed her wishes for Mabel in her sister's memory.</p><p>Fiona was the middle child of Chad Lowe and his wife Kim Painter, who have been together for nearly two decades and maintain a relatively private family life. In a statement provided to Page Six, the family expressed their heartbreak, stating, "We are deeply heartbroken by the loss of our beloved Fiona. She was a loving young girl who was smart, creative and loved to dance. She was adored by her sisters and she was deeply loved by her parents. In fact, she was the light of our lives. Her passing is devastating for our entire family and we ask for prayers and privacy at this time."</p><p>The family also encouraged anyone struggling with mental health issues to contact the 988 Suicide & Crisis Lifeline.</p><p>Chad Lowe is an Emmy-winning actor and director known for his roles in "Life Goes On," "Pretty Little Liars," and "9-1-1: Lone Star." Kim Painter is a producer and casting professional with credits including "Enemy of the State," "Ted Bundy," and "Instant Dads."