How to add family members' information in SmartWorksheet?

Please see the video below:

{% video_player "embed_player" overrideable=False, type='hsvideo2', hide_playlist=True, viral_sharing=False, embed_button=False, autoplay=False, hidden_controls=False, loop=False, muted=False, full_width=False, width='688', height='503', player_id='77283668755', style='' %}