You asked, Kerry, about owning the shares jointly with rights of survivorship with the grandchildren. (moneysense.ca)
The wife could not sever joint tenancy by a will because on her death the property went to the husband by right of survivorship in joint tenancy. (remonline.com)
If you own property as joint tenants with your spouse, you should consider whether you want to sever the joint tenancy to prevent the property passing by right of survivorship on death. (mannlawyers.com)