that is true about the kids, where they live right now is their home not grandmas, not the new apartment not anywhere other then the address on your drivers license, (marital home). Both parent need to agree to change that. Talk to your lawyer.
Me late 30's W mid 30's T 15, M 10 S4, S7 ILYBNILWY June 2015 In house S July 2015 W rings off Oct 2015 My ring off Feb 2015 Separate houses June 2016