in the Interest of K.D.H., a Child

OPINION

KEM THOMPSON FROST, Chief Justice.

Today, for the first time, this court addresses the legal standard for establishing standing under section 102.004(a)(1) of the Texas Family Code. We conclude that, to have standing under this statute, a grandparent or other relative within the third degree by consanguinity must present proof that, when considered in the light most favorable to the petitioner, would enable reasonable and fair-minded people to find that the order requested is necessary because the child’s circumstances on the date suit was filed would significantly impair the child’s…