Yes, Veterans who are eBenefits Premium (DS Logon level 2) account holders can apply to have new dependents added to their benefits profile via the VONAPP Direct Connect (VDC) tool on the eBenefits portal.
Note: Submission of a request will not result in automatic award. All requests will be reviewed for accuracy, determine if additional information is needed, and approved or denied by the VA Regional Office. Reference the eBenefits enrollment scripts and/or FAQs for more information about the eBenefits registration process. Publicly accessible eBenefits registration information is also available online at: eBenefits - Registration Overview