The way the family tree will change is that trapezoids will be classified under 1 pair of parallel sides.
We are told that a trapezoid is defined as a quadrilateral with at least one pair of parallel sides.
Now quadrilaterals usually have 4 sides and some of them like square, rectangle, parallelogram and rhombus are classified as 2 pairs of parallel sides while kite is classified as 2 pairs of adjacent congruent sides.
Thus, trapezoids will change the family tree by being classified as under 1 pair of parallel sides.
Read more about quadrilaterals at;https://brainly.com/question/23935806