Complex sentence: Glenn and his younger brother, Dennis Thompson (07.06.42) were picked up by the welfare department and sent to a children's shelter where after only a couple of weeks Glenn was moved to another location and the brothers were separated.
Split into simpler sentences: Glenn and his younger brother Dennis Thompson (born 07.06.42) were picked up by the welfare department and sent to a children's shelter. After only a couple of weeks Glenn was moved to another location and the brothers were separated.