The surname "Van der Waal" comes from the Netherlands.The Van der Waal surname has a story:In Netherland when they had to chose their surnames a person was chosen this person went to give their family a surname.It would've been Banket a type of baker but then there were other people with the same name so they asked them each where they came from and this person said "Van der Waal".A very popular singer Grace Van der Waal comes from this family including me a other Van der Waal.There is not much to know about this surname but if you go and check they have a family crest of a knight.If you check the dutch website you will find it.And people say that Van der Waal and Van der Walt is the same surname wel,no they're completely wrong!!They are very different.Van der Waal is definitely a surname to do more research about!!