Creating a Genogram

I'm working on a project, where the learner needs to create a genogram (See attachment) and I'm wondering if it's possible to create something in Storyline that would allow them to create it online. I would then give them the option to print it.  I know they can create it on paper, but if it's possible to have them create it online within Storyline it would be a great way for engagement. 

TYIA