Familysearch.org (FS) has the following information available which I hope may be of use
Sylvanis Campbell FS ID KLV3-Y3X born 1668 Norton, Bristol, Massachusetts, United States – died 16 May 1718 Norton, Bristol, Massachusetts, United States – buried 1718 Raynham, Bristol, Massachusetts, United States of America
Spouse Mary Leonard FS ID LY7B-M74 born 1673 Norton, Bristol, Massachusetts, United States - 13 February 1723 Norton, Bristol, Massachusetts, United States
Sylvanis & Mary had 14 children 5 boys & 9 girls
Mary was the eldest of 10 children & Sylvanis was the eldest of 2 children
I suggest you go to Familysearch.org to check ALL the information that there is available
NOTE: I am passing this on for your information – I can only be guided by what is on that site, correct or not. Sources may/may not be available
Cheers Ross Geissmann