Baby Name Poll Results

We have 5 children, Benjamin James nn Ben (After Hubby whose middle name is Benjamin) is 10, William Joshua nn Will (Aftermy maiden name Williams) is 8, Nickolas Jack nn Nick (After my late father Dominick) is 6, Evangeline Lily nn Eva (After me, my middle name) is 3 and Seraphina Rose nn Sera (After my late mother Sarah) is 19 months. We are now expecting boy/girl twins. When we told my hubbys parents we were expecting twins they kept suggesting that we name them after them. When we found out the genders my MIL said "Margaret nn Maggie and Edward nn Eddie fit perfectly with your family!" The problem is, Hubby and I do not want to use their names as he is not very close to them (he had a difficult upbringing and they have only built a relationship in the past few years.) We had planned on using Matthew Jacob nn Matt (After Hubby’s brother Matthew) and Annabelle Ivy nn Anna (After Hubbys aunt, who practicly raised him). We am unsure how to tell his parents that we will not be honouring them when naming our children. Any ideas and do you like the names we have picked? Thank you, Violet and Jude.