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Join our Sibling Scene!

Siblings play an important role supporting their brothers and sisters with IDD, and The Arc values and supports their contributions in many ways . The Arc’s Siblings Scene is an online community that keeps siblings informed about IDD-related policy updates and developments, and national resources.

Sign up for the Sibling email list if you’re interested in periodic updates on our work as it relates to siblings across our network. We also invite you to contact Liz Mahar, Director, Family and Sibling Initiatives ( to discuss your ideas about becoming more involved in The Arc’s sibling network