OP may insist on including non-disclosure agreement in settlement. This is negotiable with OP. if no agreement reached, settlement may be...

Yes. If all beneficiaries agree in writing, Nephew may live in house during administration. Further administration of trust or probate estate...

Yes. Irecommend you retain representation to object to temporary conservatorship petition.

It is common for attorneys to appear without clients at many proceedings. You may appear remotely. Discuss reasons for recommendation that you...

No. Court will not "easily approve" request to abandon adopted child. Link explains: https://www.courts.ca.gov/documents/BTB_23_3C_8.pdf

Possibly. Your rights affected by two important factors: Whwther mother survived aunt or predeceased her. Terms of trust. Facts are critical...

Information you received from both sources correct. Financial institutions will not open an estate account without Letters of...

W and children are legal heirs to estate. Depending on information not provided, you may have "Marvin" rights.

You may amend response to petition for dissolution and proceed to regular dissolution process.

General rule is that trust will not need to be amended when you move from California to Arizona. There are exceptions which depend on terms of...